My first attempt at M31 with the small scope
This was shot from the urban light polluted location
near downtown of Palo Alto, CA last December 2007, Sky
darkenss rating is "white" according to the google
light pollution map :-)
Scope/mount: WO 80mm ED F6.8 SemiApo piggybacked
on 10" LX200, Meade DSI Pro guider
Camera Used: unmodified Canon 20D/ No filters
ISO/Exposure etc.: ISO 400, 153 55 sec. exposures,
Stacked in DeepSky Stacker, PixInsight, CS2 histogram
and curve strech.
Alex
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Received on Tue Jan 15 15:50:37 2008