keyhole the hubble heritage project bridging science and aesthetics by lisa frattare and keith noll...
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KeyholeThe Hubble Heritage Project The Hubble Heritage Project
Bridging Science and AestheticsBridging Science and Aesthetics
byby Lisa Frattare Lisa Frattare andand Keith NollKeith Noll
Hubble Heritage TeamHubble Heritage TeamSpace Telescope Science InstituteSpace Telescope Science Institute
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Deployed April 25, 1990Designed to last 15 yrs
Diameter of Mirror: 8 feet Focal Length: 189 feet (57.6 m)
Length of Tube: 43.5 feetSpeed: 17,500 mph (5 mps) Altitude: 380 miles (600 km) Full Earth Orbit: 97 minutes Earth Occultation every 45 minutes Processor Speed: 386/486
Hubble Space Telescope (HST)
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Size of Earth
Size of Earth’s Atmosphere
6400 km
600 km above surface
Size of Hubble’s Orbit
100 km above surface
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HST: World-Class Science InstrumentCycle 18 (2010-2011) showed the highest over-subscription rate (9:1) in the history of Hubble observations.
1051 proposals were submitted for 23,000 orbitsTotal Available Orbits: 2,600
Awarded:
1,700 orbits for Small Proposals (under 40 orbits)
300 orbits for Medium Proposals (40-99 orbits)
600 orbits for Large/Treasury Proposal (i.e. M31)
??? orbits for Director’s Discretionary
ToO: Target of Opportunity (SNe, comets) Hubble Heritage Outreach Project (15 orbits)>>>
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I V B
Broad-band Image Compositing
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I V B
Red Green Blue
Broad-band Image Compositing
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I V B
Red Green Blue
Broad-band Image Compositing
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Narrow-band Imaging [S II]
H-alpha
[O III]
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Two-Color Image Compositing
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(L) HST/ACS: H-alpha+[N II](RGB) CTIO: [S II], H-alpha, [O III]
Single Filter (LRGB)
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M51
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M51
Hubble DataHubble Data
Ground-based data to Ground-based data to
fill in cornersfill in corners
Ground-based data to fill in cornersGround-based data to fill in corners
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Dumbbell 2
• STScI-PRC99-01
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Saturn
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Horsehead
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Mosaic outlines NGC 2207
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Composite
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Some PI Science can be
aesthetic, but not main driver
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Events are aesthetic
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Mars Dust Storm
Some aesthetic images capture unexpected science
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Saturn“Time Lapse” Observations
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NGC 4414
• Releasing an image a month since 1998• Drive is aesthetics in addition to science• Small allotment of orbits yearly• Also augment archival data
Hubble Heritage Projecthttp://heritage.stsci.edu
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Ring Nebula M57
• STScI-PRC99-01
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Sombrero Galaxy M104
Globular Cluster Mapping of Sombrero
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Mz 3
• STScI-PRC01-05
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Introduction
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HH 901
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Keyhole
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Hubble’s 20th Anniversary Image - April 2010
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Search on Search on Hubble HeritageHubble Heritageto learn more…to learn more…
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