merop ciel & espace meeting 11 & 12 november 2006
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Merop
Ciel & Espace meeting
11 & 12 november 2006
www.astrimage.org/merop
www.astrimage.org/merop
Merop : What is it ???
Enable to move telescopes (focus, moving) like a hand-controller
Compatible LX200 (Meade Protocole)
Analog joystick : 64 positions per axis to control the direction of movement and speedin a single gesture
Databases of important objects and customizable
www.astrimage.org/merop
HistorySummer 2005: First thoughts on the project
September/October 2005 : Dévelopment
November 2005 : First prototype
December 2005 : Management of Messier objects, functional user interface January 2006 : Management of the various modes of communication, 110 Messier objects and 250 reference stars
September 2006 : Stabilization of the software and the electronic database NGC functional
January 2007 : First order placed
www.astrimage.org/merop
Project developpment
Software developpment entirely axed on a database system
Depth mechanical design
www.astrimage.org/merop
FunctionnalitiesDisplacement of the telescope by moving the joystick, configuration
of the telescope Customizing speeds on the joystick Supports motors for focus Supports protocol LX200 (Meade GUIDatabases :
110 Messier250 reference stars7840 NGC Objects
Wired communication mode (RS232)Multilingual : English/French, possibility of adding other language
www.astrimage.org/merop
Future functionnalities
Date/Time
Sensors end race (Hub Merop)Calculations of corrections: atmospheric refraction, precession, nutation
IC Catalog
Catalog of standard stars for astrophotography
Catalog of custom objects (500 objects)
www.astrimage.org/merop
Architecture
Avery simple architecture!PIC 18F252 at 20MHz Microcontroller
Storage on 6 EEProm of 64Ko of databases : objects, GUI
www.astrimage.org/merop
Merop : simple use
Pic-Astro
Merop
Mount
PC
One link
www.astrimage.org/merop
Le Hub Merop
Point central de l’interconnexion des équipements du télescope, il gère la communication entre:
Pic-Astro (Entraînement)
PC
HQF (Micro-Autofocuser)
Merop (Commande)
Roue à filtre
www.astrimage.org/merop
Le Hub Merop
Motofocus
Pic-Astro
Hub Merop
Merop
Roue à filtres
Monture
PC
www.astrimage.org/merop
Ressourceswww.astrimage.org/merop
www.astrimage.org/merop
Cost of implementation
About 70 euros with a high quality housing
Allow about 30 euros for Hub Mérop
These costs will be reduced through the groupe orders Astrimage
www.astrimage.org/merop
Demonstration
Movements with joystick
Synchronisation
Goto
Declination inversion
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