bug nebula
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NGC 6302
From Wikipedia, the free encyclopedia
NGC6302
Observation data
(EpochJ2000)
Right ascension 17h
13m
44.211s[1]
Declination -37 0615.94[1]
Distance 3.4 0.5kly(1.04 0.16kpc)[2]
Apparent
magnitude(V)
7.1B[1]
Apparent
dimensions (V)
>3.0[2]
Constellation Scorpius
Physical characteristics
http://en.wikipedia.org/wiki/New_General_Cataloguehttp://en.wikipedia.org/wiki/New_General_Cataloguehttp://en.wikipedia.org/wiki/Epoch_(astronomy)http://en.wikipedia.org/wiki/Epoch_(astronomy)http://en.wikipedia.org/wiki/J2000http://en.wikipedia.org/wiki/J2000http://en.wikipedia.org/wiki/J2000http://en.wikipedia.org/wiki/Right_ascensionhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Declinationhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/1_E19_mhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Parsechttp://en.wikipedia.org/wiki/Parsechttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Apparent_magnitudehttp://en.wikipedia.org/wiki/Apparent_magnitudehttp://en.wikipedia.org/wiki/Apparent_magnitudehttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Constellationhttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/File:NGC_6302_Hubble_2009.full.jpghttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/Constellationhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Apparent_magnitudehttp://en.wikipedia.org/wiki/Apparent_magnitudehttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-Meaburnetal2005-1http://en.wikipedia.org/wiki/Parsechttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/1_E19_mhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Declinationhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Right_ascensionhttp://en.wikipedia.org/wiki/J2000http://en.wikipedia.org/wiki/Epoch_(astronomy)http://en.wikipedia.org/wiki/New_General_Catalogue -
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Radius >1.5 0.2ly[3]
Absolute
magnitude(V)
-3.0B +0.4
0.3[4]
Notable features Dual chemistry, hot central star
Other
designations
Bipolar Nebula,[1]
Bug Nebula,[1]
PK 349+01 1,[1]
Butterfly Nebula,[5][6]
Sharpless6,RCW124, Gum 60,
Caldwell69[7]
See also:Planetary nebula,Lists of nebulae
NGC 6302 (also called the Bug Nebula, Butterfly Nebula, or Caldwell 69) is abipolarplanetary nebulain the constellationScorpius. The structure in the nebula is among the
most complex ever observed in planetary nebulae. The spectrum of NGC 6302 shows
that its central star is one of the hottest stars in the galaxy, with a surface temperature in
excess of 200,000 K, implying that the star from which it formed must have been very
large (cf.PG 1159 star).
The central star, awhite dwarf, was only recently discovered (Szyszka et al. 2009),
using the upgradedWide Field Camera 3on board theHubble Space Telescope. Thestar has a current mass of around 0.64 solar masses. It is surrounded by a particularly
dense equatorial disc composed of gas and dust. This dense disc is postulated to have
caused the star's outflows to form a bipolar structure (Gurzadyan 1997) similar to an
hour-glass. This bipolar structure shows many interesting features seen in planetary
nebulae such as ionization walls, knots and sharp edges to the lobes.
Contents
1 Observation history 2 Characteristics 3 Central star 4 Dust chemistry 5 Notes 6 References 7 External links
http://en.wikipedia.org/wiki/Radiushttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Absolute_magnitudehttp://en.wikipedia.org/wiki/Absolute_magnitudehttp://en.wikipedia.org/wiki/Absolute_magnitudehttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-APoD1998-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-APoD1998-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-APoD1998-4http://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/wiki/RCW_Cataloguehttp://en.wikipedia.org/wiki/RCW_Cataloguehttp://en.wikipedia.org/wiki/RCW_Cataloguehttp://en.wikipedia.org/wiki/Caldwell_cataloguehttp://en.wikipedia.org/wiki/Caldwell_cataloguehttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-The_Caldwell_Objects-6http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-The_Caldwell_Objects-6http://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Category:Lists_of_nebulaehttp://en.wikipedia.org/wiki/Category:Lists_of_nebulaehttp://en.wikipedia.org/wiki/Category:Lists_of_nebulaehttp://en.wikipedia.org/wiki/Bipolar_nebulahttp://en.wikipedia.org/wiki/Bipolar_nebulahttp://en.wikipedia.org/wiki/Bipolar_nebulahttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/PG_1159_starhttp://en.wikipedia.org/wiki/PG_1159_starhttp://en.wikipedia.org/wiki/PG_1159_starhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFGurzadyan1997http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFGurzadyan1997http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFGurzadyan1997http://en.wikipedia.org/wiki/Hour-glasshttp://en.wikipedia.org/wiki/Hour-glasshttp://en.wikipedia.org/wiki/Bug_Nebula#Observation_historyhttp://en.wikipedia.org/wiki/Bug_Nebula#Observation_historyhttp://en.wikipedia.org/wiki/Bug_Nebula#Characteristicshttp://en.wikipedia.org/wiki/Bug_Nebula#Characteristicshttp://en.wikipedia.org/wiki/Bug_Nebula#Central_starhttp://en.wikipedia.org/wiki/Bug_Nebula#Central_starhttp://en.wikipedia.org/wiki/Bug_Nebula#Dust_chemistryhttp://en.wikipedia.org/wiki/Bug_Nebula#Dust_chemistryhttp://en.wikipedia.org/wiki/Bug_Nebula#Noteshttp://en.wikipedia.org/wiki/Bug_Nebula#Noteshttp://en.wikipedia.org/wiki/Bug_Nebula#Referenceshttp://en.wikipedia.org/wiki/Bug_Nebula#Referenceshttp://en.wikipedia.org/wiki/Bug_Nebula#External_linkshttp://en.wikipedia.org/wiki/Bug_Nebula#External_linkshttp://en.wikipedia.org/wiki/Bug_Nebula#External_linkshttp://en.wikipedia.org/wiki/Bug_Nebula#Referenceshttp://en.wikipedia.org/wiki/Bug_Nebula#Noteshttp://en.wikipedia.org/wiki/Bug_Nebula#Dust_chemistryhttp://en.wikipedia.org/wiki/Bug_Nebula#Central_starhttp://en.wikipedia.org/wiki/Bug_Nebula#Characteristicshttp://en.wikipedia.org/wiki/Bug_Nebula#Observation_historyhttp://en.wikipedia.org/wiki/Hour-glasshttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFGurzadyan1997http://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/PG_1159_starhttp://en.wikipedia.org/wiki/Scorpiushttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Bipolar_nebulahttp://en.wikipedia.org/wiki/Category:Lists_of_nebulaehttp://en.wikipedia.org/wiki/Planetary_nebulahttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-The_Caldwell_Objects-6http://en.wikipedia.org/wiki/Caldwell_cataloguehttp://en.wikipedia.org/wiki/RCW_Cataloguehttp://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-APoD1998-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-APoD1998-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-simbad-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-3http://en.wikipedia.org/wiki/Absolute_magnitudehttp://en.wikipedia.org/wiki/Absolute_magnitudehttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Light-yearhttp://en.wikipedia.org/wiki/Radius 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Observation history
As it is included in theNew General Catalogue, this object has been known since at
least 1888.[8]
The earliest known study of NGC 6302 is byEdward Emerson Barnard,
who drew and described it in 1907 (Meaburn et al. 2005).
Since then it has been the focus of many works and displays many interesting
characteristics worthy of study. Interest in recent years has shifted from discussions
over the excitation method in the nebula (shock-excitation or photo-ionisation) to the
properties of the large dust component.
It featured in some of the first images released after the final servicing mission of the
Hubble Space Telescope in September 2009.[9]
Characteristics
NGC 6302 has a complex morphology, which may be approximated as bipolar with two
primary lobes, though there is evidence for a second pair of lobes that may have
belonged to a previous phase of mass loss. A dark lane runs through the waist of the
nebula obscuring the central star at all wavelengths (Matsuura et al. 2005). Observations
of NGC 6302 suggest that there may be an orthogonal skirt (orchakram) similar to that
found inMenzel 3(Meaburn et al. 2005). The nebula is orientated at an angle of 12.8
against the plane of the sky.
This planetary nebula contains a prominent northwest lobe which extends up to 3.0
away from the central star and is estimated to have formed from an eruptive event
around 1,900 years ago. It has a circular part whose walls precisely follow a Hubble-
type outflow (where outflow speed is proportional to distance from the central source).
At an angular distance of 1.71 from the central star, the flow velocity of this lobe is
measured to be 263 km/s. At the extreme periphery of the lobe, the outward velocity
exceeds 600 km/s. The western edge of the lobe displays characteristics suggestive of a
collision with pre-existing globules of gas which modified the outflow in that region
(Meaburn et al. 2005).
Central star
The central star, among the hottest stars known, had escaped detection because of acombination of its high temperature (so that it radiates mainly in the ultraviolet), the
dusty torus (which absorbs a large fraction of the light from the central regions,
especially in the ultraviolet) and the bright background from the star. It was not seen in
the first HST images (APoD 2004). But the improved resolution and sensitivity of the
newWide Field Camera 3of theHubble Space Telescoperevealed the faint star at the
centre (Szyszka et al. 2009). A temperature of 200,000 Kelvin is indicated, and a mass
of 0.64 solar masses. The original mass of the star was much higher, but most was
ejected in the event which created the planetary nebula. The luminosity and temperature
of the star indicate it has ceased nuclear burning and is on its way to becoming awhite
dwarf, fading at a predicted rate of 1% per year.
http://en.wikipedia.org/wiki/New_General_Cataloguehttp://en.wikipedia.org/wiki/New_General_Cataloguehttp://en.wikipedia.org/wiki/New_General_Cataloguehttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-7http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-7http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-7http://en.wikipedia.org/wiki/Edward_Emerson_Barnardhttp://en.wikipedia.org/wiki/Edward_Emerson_Barnardhttp://en.wikipedia.org/wiki/Edward_Emerson_Barnardhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-8http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-8http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-8http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Chakramhttp://en.wikipedia.org/wiki/Chakramhttp://en.wikipedia.org/wiki/Chakramhttp://en.wikipedia.org/wiki/Mz_3#Chakramhttp://en.wikipedia.org/wiki/Mz_3#Chakramhttp://en.wikipedia.org/wiki/Mz_3#Chakramhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/White_dwarfhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSzyszkaWalshZijlstraTsamis2009http://en.wikipedia.org/wiki/Hubble_Space_Telescopehttp://en.wikipedia.org/wiki/Wide_Field_Camera_3http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Mz_3#Chakramhttp://en.wikipedia.org/wiki/Chakramhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#cite_note-8http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Edward_Emerson_Barnardhttp://en.wikipedia.org/wiki/Bug_Nebula#cite_note-7http://en.wikipedia.org/wiki/New_General_Catalogue -
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Dust chemistry
The prominent dark lane that runs through the centre of the nebula has been shown to
have an extraordinary dust chemistry, showing evidence for multiple crystalline
silicates, crystalline water ice andquartz, with other features which have been
interpreted as the first extra-solar detection of carbonates (Kemper et al. 2002). This
detection has been disputed, due to the difficulties in forming carbonates in a non-
aqueous environment (Ferrarotti & Gail 2005). The dispute remains unresolved.
One of the most interesting characteristics of the dust detected in NGC 6302 is the
existence of both oxygen-rich material (i.e. silicates) and carbon-rich material (i.e. poly-
aromatic-hydrocarbons or PAHs) (Kemper et al. 2002). Stars are usually either O-rich
or C-rich, the change from the former to the latter occurring late in the evolution of the
star due to nuclear and chemical changes in the star's atmosphere. NGC 6302 belongs to
a group of objects where hydrocarbon molecules formed in an oxygen-rich environment
(Matsuura et al. 2005).
Position of NGC 6302
Notes
1. ^abcdef(SIMBAD 2007)2. ^ab(Meaburn et al. 2005)3. ^Radius = distance sin(angular size / 2) = 3.4 0.5 kly * sin(>3.0 / 2) = >1.5 0.2
ly
4. ^7.1B apparent magnitude - 5 * (log10(1040 160 pc distance) - 1) = -3.0B +0.40.3 absolute magnitude
5. ^(APoD 1998)6. ^(APoD 2004)7. ^O'Meara, Stephen James (2002). The Caldwell Objects.Cambridge University Press.
ISBN0-521-82796-5.
8. ^Many sources credit its discovery toJames Dunlopin 1826. E.g. (1) WolfgangSteinicke,Nebel und Sternhaufen: Geschichte ihrer Entdeckung, Beobachtung und
Katalogisierung- von Herschel bis Dreyers, 2009, p.429. (2)Universe Today; (3)
Stephen James O'Meara, The Caldwell objects. Cambridge University Press, 2002,
p.274..
(O'Meara argues that Barnard credited it to Dunlop - but may have been mistaken.)
9.
^News Release Number: STScI-2009-25: Hubble Opens New Eyes on the Universe[1]
http://en.wikipedia.org/wiki/Quartzhttp://en.wikipedia.org/wiki/Quartzhttp://en.wikipedia.org/wiki/Quartzhttp://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFFerrarottiGail2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFFerrarottiGail2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFFerrarottiGail2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-2http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-2http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-5http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-5http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-5http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSIMBAD2007http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSIMBAD2007http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSIMBAD2007http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-1http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-2http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-2http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD1998_4-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD1998_4-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD1998http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD1998http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD1998http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD2004_5-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD2004_5-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-The_Caldwell_Objects_6-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-The_Caldwell_Objects_6-0http://en.wikipedia.org/wiki/Cambridge_University_Presshttp://en.wikipedia.org/wiki/Cambridge_University_Presshttp://en.wikipedia.org/wiki/Cambridge_University_Presshttp://en.wikipedia.org/wiki/International_Standard_Book_Numberhttp://en.wikipedia.org/wiki/Special:BookSources/0-521-82796-5http://en.wikipedia.org/wiki/Special:BookSources/0-521-82796-5http://en.wikipedia.org/wiki/Special:BookSources/0-521-82796-5http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-7http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-7http://en.wikipedia.org/wiki/James_Dunlophttp://en.wikipedia.org/wiki/James_Dunlophttp://en.wikipedia.org/wiki/James_Dunlophttp://www.universetoday.com/2008/06/23/ngc-6302-by-don-goldman/http://www.universetoday.com/2008/06/23/ngc-6302-by-don-goldman/http://www.universetoday.com/2008/06/23/ngc-6302-by-don-goldman/http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-8http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-8http://www.hubblesite.org/newscenter/archive/releases/2009/25/image/f/http://www.hubblesite.org/newscenter/archive/releases/2009/25/image/f/http://www.hubblesite.org/newscenter/archive/releases/2009/25/image/f/http://en.wikipedia.org/wiki/File:NGC6302map.pnghttp://en.wikipedia.org/wiki/File:NGC6302map.pnghttp://en.wikipedia.org/wiki/File:NGC6302map.pnghttp://en.wikipedia.org/wiki/File:NGC6302map.pnghttp://www.hubblesite.org/newscenter/archive/releases/2009/25/image/f/http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-8http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://books.google.com/books?id=3Hg6YHgx9nAC&pg=PA274http://www.universetoday.com/2008/06/23/ngc-6302-by-don-goldman/http://en.wikipedia.org/wiki/James_Dunlophttp://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-7http://en.wikipedia.org/wiki/Special:BookSources/0-521-82796-5http://en.wikipedia.org/wiki/International_Standard_Book_Numberhttp://en.wikipedia.org/wiki/Cambridge_University_Presshttp://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-The_Caldwell_Objects_6-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD2004http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD2004_5-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFAPoD1998http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-APoD1998_4-0http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-2http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMeaburnL.C3.B3pezSteffenGraham2005http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-Meaburnetal2005_1-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFSIMBAD2007http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-5http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-4http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-3http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-2http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-1http://en.wikipedia.org/wiki/Bug_Nebula#cite_ref-simbad_0-0http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFMatsuuraZijlstraMolsterWaters2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFFerrarottiGail2005http://en.wikipedia.org/wiki/Bug_Nebula#CITEREFKemperMolsterJaegerWaters2002http://en.wikipedia.org/wiki/Quartz 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References
APoD(June 2, 1998),Astronomy Picture of the Day, NASA and MichiganTechnological University (MTU),
http://antwrp.gsfc.nasa.gov/apod/ap980602.html
APoD(May 5, 2004),Astronomy Picture of the Day, NASA and MichiganTechnological University (MTU),
http://antwrp.gsfc.nasa.gov/apod/ap040505.html
Szyszka, C.; Walsh, J. R; Zijlstra, A. A.; Tsamis, Y.G. (2009),"Detection of theCentral Star of the Planetary Nebula NGC 6302",Astrophysical Journal, Letters707: L32-L36,http://adsabs.harvard.edu/abs/2009ApJ...707L..32S
Gurzadyan, Grigor A. (1997), The Physics and Dynamics of Planetary Nebulae,Germany: Springer, pp. 3,ISBN3-540-60965-2
Meaburn, J.; Lpez, J. A.; Steffen, W.; Graham, M. F.; Holloway, A. J. (2005),"The Hubble-Type Outflows from the High-Excitation, Polypolar Planetary
Nebula NGC 6302",The Astronomical Journal130 (5): 23032311,arXiv:astro-ph/0507675,Bibcode2005AJ....130.2303M,doi:10.1086/496978,
http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2005AJ....130.2303M
SIMBAD(January 11, 2007),Results for NGC 6302, SIMBAD, Centre deDonnes Astronomiques de Strasbourg,http://simbad.u-strasbg.fr/simbad/sim-
id?protocol=html&Ident=NGC+6302
Kemper, F.; Molster, F. J.; Jaeger, C.; Waters, L.B.F.M. (2002),"The mineralcomposition and spatial distribution of the dust ejecta of NGC 6302",Astronomy
and Astrophysics394: 679690,arXiv:astro-ph/0208110,Bibcode
2002A&A...394..679K,doi:10.1051/0004-6361:20021119,
http://adsabs.harvard.edu/abs/2002A%26A...394..679K
Ferrarotti, A. S.; Gail, H.-P. (2005),"Mineral formation in stellar winds. V.Formation of calcium carbonate",Astronomy and Astrophysics430: 959965,Bibcode2005A&A...430..959F,doi:10.1051/0004-6361:20041856,
http://adsabs.harvard.edu/abs/2005A%26A...430..959F
Matsuura, M.; Zijlstra, A. A.; Molster, F.J.; Waters, L. B. F. M.; Nomura, H.;Sahai, R.; Hoare, M. G (2005),"The dark lane of the planetary nebula NGC
6302",Monthly Notices of the Royal Astronomical Society359: 383400,
Bibcode2005MNRAS.359..383M,doi:10.1111/j.1365-2966.2005.08903.x,
http://adsabs.harvard.edu/abs/2005MNRAS.359..383M
External links
Wikimedia Commons has media related to:NGC 6302
NASA News Release Discovery of the star ESA/Hubble News Release SIMBAD Query Result NGC 6302 onWikiSky:DSS2,SDSS,GALEX,IRAS,Hydrogen ,X-Ray,
Astrophoto,Sky Map,Articles and images
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7/30/2019 Bug Nebula
6/21
v t e
Sharpless catalog
Sh2-1 Sh2-2 Sh2-3 Sh2-4 Sh2-5 Sh2-6 Sh2-7 Sh2-8 Sh2-9 Sh2-10 Sh2-11 Sh2-12 Sh2-13 Sh2-14 Sh2-15 Sh2-16 Sh2-17 Sh2-18 Sh2-19 Sh2-20 Sh2-21 Sh2-22 Sh2-23 Sh2-24 Sh2-25 Sh2-26 Sh2-27 Sh2-28 Sh2-29 Sh2-30 Sh2-31 Sh2-32 Sh2-33 Sh2-34 Sh2-35 Sh2-36 Sh2-37 Sh2-38 Sh2-39 Sh2-40 Sh2-41 Sh2-42
http://en.wikipedia.org/wiki/Template:Sh2_objectshttp://en.wikipedia.org/wiki/Template:Sh2_objectshttp://en.wikipedia.org/wiki/Template_talk:Sh2_objectshttp://en.wikipedia.org/wiki/Template_talk:Sh2_objectshttp://en.wikipedia.org/w/index.php?title=Template:Sh2_objects&action=edithttp://en.wikipedia.org/w/index.php?title=Template:Sh2_objects&action=edithttp://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/w/index.php?title=Sh2-1&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-1&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-2&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-2&action=edit&redlink=1http://en.wikipedia.org/wiki/RCW_120http://en.wikipedia.org/wiki/RCW_120http://en.wikipedia.org/w/index.php?title=Sh2-4&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-4&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-5&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-5&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-7&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-7&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6334http://en.wikipedia.org/wiki/NGC_6334http://en.wikipedia.org/w/index.php?title=Sh2-9&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-9&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-10&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-10&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6357http://en.wikipedia.org/wiki/NGC_6357http://en.wikipedia.org/w/index.php?title=Sh2-12&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-12&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-13&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-13&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-14&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-14&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-15&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-15&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-16&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-16&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-17&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-17&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-18&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-18&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-19&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-19&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-20&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-20&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-21&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-21&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-22&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-22&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-23&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-23&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-24&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-24&action=edit&redlink=1http://en.wikipedia.org/wiki/Lagoon_Nebulahttp://en.wikipedia.org/wiki/Lagoon_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-26&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-26&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-27&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-27&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-28&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-28&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-29&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-29&action=edit&redlink=1http://en.wikipedia.org/wiki/Trifid_Nebulahttp://en.wikipedia.org/wiki/Trifid_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-31&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-31&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-32&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-32&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-33&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-33&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-34&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-34&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-35&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-35&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-36&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-36&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=IC_1284&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=IC_1284&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-38&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-38&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-39&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-39&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-40&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-40&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-41&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-41&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-42&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-42&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-42&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-41&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-40&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-39&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-38&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=IC_1284&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-36&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-35&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-34&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-33&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-32&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-31&action=edit&redlink=1http://en.wikipedia.org/wiki/Trifid_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-29&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-28&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-27&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-26&action=edit&redlink=1http://en.wikipedia.org/wiki/Lagoon_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-24&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-23&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-22&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-21&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-20&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-19&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-18&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-17&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-16&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-15&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-14&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-13&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-12&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6357http://en.wikipedia.org/w/index.php?title=Sh2-10&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-9&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6334http://en.wikipedia.org/w/index.php?title=Sh2-7&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-5&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-4&action=edit&redlink=1http://en.wikipedia.org/wiki/RCW_120http://en.wikipedia.org/w/index.php?title=Sh2-2&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-1&action=edit&redlink=1http://en.wikipedia.org/wiki/Sharpless_cataloghttp://en.wikipedia.org/w/index.php?title=Template:Sh2_objects&action=edithttp://en.wikipedia.org/wiki/Template_talk:Sh2_objectshttp://en.wikipedia.org/wiki/Template:Sh2_objects 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7/30/2019 Bug Nebula
7/21
Sh2-43 Sh2-44 Sh2-45 Sh2-46 Sh2-47 Sh2-48 Sh2-49 Sh2-50 Sh2-51 Sh2-52 Sh2-53 Sh2-54 Sh2-55 Sh2-56 Sh2-57 Sh2-58 Sh2-59 Sh2-60 Sh2-61 Sh2-62 Sh2-63 Sh2-64 Sh2-65 Sh2-66 Sh2-67 Sh2-68
Sh2-69 Sh2-70 Sh2-71 Sh2-72 Sh2-73 Sh2-74 Sh2-75 Sh2-76 Sh2-77 Sh2-78 Sh2-79 Sh2-80 Sh2-81 Sh2-82 Sh2-83 Sh2-84 Sh2-85 Sh2-86 Sh2-87 Sh2-88 Sh2-89 Sh2-90 Sh2-91 Sh2-92
http://en.wikipedia.org/w/index.php?title=Sh2-43&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-43&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-44&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-44&action=edit&redlink=1http://en.wikipedia.org/wiki/Omega_Nebulahttp://en.wikipedia.org/wiki/Omega_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-46&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-46&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-47&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-47&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-48&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-48&action=edit&redlink=1http://en.wikipedia.org/wiki/Eagle_Nebulahttp://en.wikipedia.org/wiki/Eagle_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-50&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-50&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-51&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-51&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Abell_65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Abell_65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-53&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-53&action=edit&redlink=1http://en.wikipedia.org/wiki/Sh2-54http://en.wikipedia.org/wiki/Sh2-54http://en.wikipedia.org/w/index.php?title=Sh2-55&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-55&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-56&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-56&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-57&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-57&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-58&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-58&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-59&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-59&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-60&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-60&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-61&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-61&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-62&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-62&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-63&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-63&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-64&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-64&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-66&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-66&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-67&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-67&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-68&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-68&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-69&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-69&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-70&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-70&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-71&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-71&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-72&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-72&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-73&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-73&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-74&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-74&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-75&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-75&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-76&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-76&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-77&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-77&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-78&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-78&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-79&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-79&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-80&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-80&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-81&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-81&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-82&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-82&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-83&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-83&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-84&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-84&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-85&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-85&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6820_and_NGC_6823http://en.wikipedia.org/wiki/NGC_6820_and_NGC_6823http://en.wikipedia.org/w/index.php?title=Sh2-87&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-87&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-88&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-88&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-89&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-89&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-90&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-90&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-91&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-91&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-92&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-92&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-92&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-91&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-90&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-89&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-88&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-87&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_6820_and_NGC_6823http://en.wikipedia.org/w/index.php?title=Sh2-85&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-84&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-83&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-82&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-81&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-80&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-79&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-78&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-77&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-76&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-75&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-74&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-73&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-72&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-71&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-70&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-69&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-68&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-67&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-66&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-64&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-63&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-62&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-61&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-60&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-59&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-58&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-57&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-56&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-55&action=edit&redlink=1http://en.wikipedia.org/wiki/Sh2-54http://en.wikipedia.org/w/index.php?title=Sh2-53&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Abell_65&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-51&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-50&action=edit&redlink=1http://en.wikipedia.org/wiki/Eagle_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-48&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-47&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-46&action=edit&redlink=1http://en.wikipedia.org/wiki/Omega_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-44&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-43&action=edit&redlink=1 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7/30/2019 Bug Nebula
8/21
Sh2-93 Sh2-94 Sh2-95 Sh2-96 Sh2-97 Sh2-98 Sh2-99 Sh2-100 Sh2-101 Sh2-102 Sh2-103 Sh2-104 Sh2-105 Sh2-106 Sh2-107 Sh2-108 Sh2-109 Sh2-110 Sh2-111 Sh2-112 Sh2-113 Sh2-114 Sh2-115 Sh2-116 Sh2-117 Sh2-118
Sh2-119 Sh2-120 Sh2-121 Sh2-122 Sh2-123 Sh2-124 Sh2-125 Sh2-126 Sh2-127 Sh2-128 Sh2-129 Sh2-130 Sh2-131 Sh2-132 Sh2-133 Sh2-134 Sh2-135 Sh2-136 Sh2-137 Sh2-138 Sh2-139 Sh2-140 Sh2-141 Sh2-142
http://en.wikipedia.org/w/index.php?title=Sh2-93&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-93&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-94&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-94&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-95&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-95&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-96&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-96&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-97&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-97&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-98&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-98&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-99&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-99&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-100&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-100&action=edit&redlink=1http://en.wikipedia.org/wiki/Tulip_Nebulahttp://en.wikipedia.org/wiki/Tulip_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-102&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-102&action=edit&redlink=1http://en.wikipedia.org/wiki/Cygnus_Loophttp://en.wikipedia.org/wiki/Cygnus_Loophttp://en.wikipedia.org/w/index.php?title=Sh2-104&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-104&action=edit&redlink=1http://en.wikipedia.org/wiki/Crescent_Nebulahttp://en.wikipedia.org/wiki/Crescent_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-106&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-106&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-107&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-107&action=edit&redlink=1http://en.wikipedia.org/wiki/Sadr_Regionhttp://en.wikipedia.org/wiki/Sadr_Regionhttp://en.wikipedia.org/w/index.php?title=Sh2-109&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-109&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-110&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-110&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-111&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-111&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-112&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-112&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-113&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-113&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-114&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-114&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-115&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-115&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-116&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-116&action=edit&redlink=1http://en.wikipedia.org/wiki/North_America_Nebulahttp://en.wikipedia.org/wiki/North_America_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-118&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-118&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-119&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-119&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-120&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-120&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-121&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-121&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-122&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-122&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-123&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-123&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-124&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-124&action=edit&redlink=1http://en.wikipedia.org/wiki/IC_5146http://en.wikipedia.org/wiki/IC_5146http://en.wikipedia.org/w/index.php?title=Sh2-126&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-126&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-127&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-127&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-128&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-128&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-129&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-129&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-130&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-130&action=edit&redlink=1http://en.wikipedia.org/wiki/Elephant%27s_Trunk_nebulahttp://en.wikipedia.org/wiki/Elephant%27s_Trunk_nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-132&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-132&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-133&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-133&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-134&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-134&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-135&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-135&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-136&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-136&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-137&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-137&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-138&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-138&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-139&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-139&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-140&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-140&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-141&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-141&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7380http://en.wikipedia.org/wiki/NGC_7380http://en.wikipedia.org/wiki/NGC_7380http://en.wikipedia.org/w/index.php?title=Sh2-141&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-140&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-139&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-138&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-137&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-136&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-135&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-134&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-133&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-132&action=edit&redlink=1http://en.wikipedia.org/wiki/Elephant%27s_Trunk_nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-130&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-129&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-128&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-127&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-126&action=edit&redlink=1http://en.wikipedia.org/wiki/IC_5146http://en.wikipedia.org/w/index.php?title=Sh2-124&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-123&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-122&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-121&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-120&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-119&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-118&action=edit&redlink=1http://en.wikipedia.org/wiki/North_America_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-116&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-115&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-114&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-113&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-112&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-111&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-110&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-109&action=edit&redlink=1http://en.wikipedia.org/wiki/Sadr_Regionhttp://en.wikipedia.org/w/index.php?title=Sh2-107&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-106&action=edit&redlink=1http://en.wikipedia.org/wiki/Crescent_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-104&action=edit&redlink=1http://en.wikipedia.org/wiki/Cygnus_Loophttp://en.wikipedia.org/w/index.php?title=Sh2-102&action=edit&redlink=1http://en.wikipedia.org/wiki/Tulip_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-100&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-99&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-98&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-97&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-96&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-95&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-94&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-93&action=edit&redlink=1 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7/30/2019 Bug Nebula
9/21
Sh2-143 Sh2-144 Sh2-145 Sh2-146 Sh2-147 Sh2-148 Sh2-149 Sh2-150 Sh2-151 Sh2-152 Sh2-153 Sh2-154 Sh2-155 Sh2-156 Sh2-157 Sh2-158 Sh2-159 Sh2-160 Sh2-161 Sh2-162 Sh2-163 Sh2-164 Sh2-165 Sh2-166 Sh2-167 Sh2-168
Sh2-169 Sh2-170 Sh2-171 Sh2-172 Sh2-173 Sh2-174 Sh2-175 Sh2-176 Sh2-177 Sh2-178 Sh2-179 Sh2-180 Sh2-181 Sh2-182 Sh2-183 Sh2-184 Sh2-185 Sh2-186 Sh2-187 Sh2-188 Sh2-189 Sh2-190 Sh2-191 Sh2-192
http://en.wikipedia.org/w/index.php?title=Sh2-143&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-143&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-144&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-144&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-145&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-145&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-146&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-146&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-147&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-147&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-148&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-148&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-149&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-149&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-150&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-150&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-151&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-151&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-152&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-152&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-153&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-153&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-154&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-154&action=edit&redlink=1http://en.wikipedia.org/wiki/Cave_Nebulahttp://en.wikipedia.org/wiki/Cave_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-156&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-156&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-157&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-157&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7538http://en.wikipedia.org/wiki/NGC_7538http://en.wikipedia.org/w/index.php?title=Sh2-159&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-159&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-160&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-160&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-161&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-161&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7635http://en.wikipedia.org/wiki/NGC_7635http://en.wikipedia.org/w/index.php?title=Sh2-163&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-163&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-164&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-164&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-165&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-165&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-166&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-166&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-167&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-167&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-168&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-168&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-169&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-169&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-170&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-170&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7822http://en.wikipedia.org/wiki/NGC_7822http://en.wikipedia.org/w/index.php?title=Sh2-172&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-172&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-173&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-173&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-174&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-174&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-175&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-175&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-176&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-176&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-177&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-177&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-178&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-178&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-179&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-179&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-180&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-180&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-181&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-181&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-182&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-182&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-183&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-183&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_281http://en.wikipedia.org/wiki/NGC_281http://en.wikipedia.org/w/index.php?title=Sh2-185&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-185&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-186&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-186&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-187&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-187&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-188&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-188&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-189&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-189&action=edit&redlink=1http://en.wikipedia.org/wiki/Heart_Nebulahttp://en.wikipedia.org/wiki/Heart_Nebulahttp://en.wikipedia.org/wiki/Maffei_1http://en.wikipedia.org/wiki/Maffei_1http://en.wikipedia.org/w/index.php?title=Sh2-192&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-192&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-192&action=edit&redlink=1http://en.wikipedia.org/wiki/Maffei_1http://en.wikipedia.org/wiki/Heart_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-189&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-188&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-187&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-186&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-185&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_281http://en.wikipedia.org/w/index.php?title=Sh2-183&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-182&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-181&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-180&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-179&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-178&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-177&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-176&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-175&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-174&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-173&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-172&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7822http://en.wikipedia.org/w/index.php?title=Sh2-170&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-169&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-168&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-167&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-166&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-165&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-164&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-163&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7635http://en.wikipedia.org/w/index.php?title=Sh2-161&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-160&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-159&action=edit&redlink=1http://en.wikipedia.org/wiki/NGC_7538http://en.wikipedia.org/w/index.php?title=Sh2-157&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-156&action=edit&redlink=1http://en.wikipedia.org/wiki/Cave_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-154&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-153&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-152&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-151&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-150&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-149&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-148&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-147&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-146&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-145&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-144&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-143&action=edit&redlink=1 -
7/30/2019 Bug Nebula
10/21
Sh2-193 Sh2-194 Sh2-195 Sh2-196 Sh2-197 Sh2-198 Sh2-199 Sh2-201 Sh2-202 Sh2-203 Sh2-204 Sh2-205 Sh2-206 Sh2-207 Sh2-208 Sh2-209 Sh2-210 Sh2-211 Sh2-212 Sh2-213 Sh2-214 Sh2-215 Sh2-216 Sh2-217 Sh2-218 Sh2-219
Sh2-220 Sh2-221 Sh2-222 Sh2-223 Sh2-224 Sh2-225 Sh2-226 Sh2-227 Sh2-228 Sh2-229 Sh2-230 Sh2-231 Sh2-232 Sh2-233 Sh2-234 Sh2-235 Sh2-236 Sh2-237 Sh2-238 Sh2-239 Sh2-240 Sh2-241 Sh2-242 Sh2-243
http://en.wikipedia.org/w/index.php?title=Sh2-193&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-193&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-194&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-194&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-195&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-195&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-196&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-196&action=edit&redlink=1http://en.wikipedia.org/wiki/Maffei_2http://en.wikipedia.org/wiki/Maffei_2http://en.wikipedia.org/w/index.php?title=Sh2-198&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-198&action=edit&redlink=1http://en.wikipedia.org/wiki/Soul_Nebulahttp://en.wikipedia.org/wiki/Soul_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-201&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-201&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-202&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-202&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-203&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-203&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-204&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-204&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-205&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-205&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1491&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1491&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-207&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-207&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-208&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-208&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-209&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-209&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-210&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-210&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-211&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-211&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1624&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1624&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-213&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-213&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-214&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-214&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-215&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-215&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-216&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-216&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-217&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-217&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-218&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-218&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-219&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-219&action=edit&redlink=1http://en.wikipedia.org/wiki/California_Nebulahttp://en.wikipedia.org/wiki/California_Nebulahttp://en.wikipedia.org/w/index.php?title=Sh2-221&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-221&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1579&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=NGC_1579&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Sh2-223&a
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