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Taken on December 23, 2009 from my ranch in the California Gold Country
Astro-Physics AP155EDF f/7 used with 4" field flattener
Finger Lakes CFW 4-5 filter wheel
Robofocus
Finger Lakes ML4022 camera
Chroma 50 x 50 mm square Ha, [SII], [OIII] filters (7nm)
Astro-Physics 80/900mm guide scope with adjustable rings
SBIG ST7ME guide camera
AP1200GTO mount
5 x 30 minutes Ha, [SII]
8 x 30 minutes [OIII]
9 hours total exposure time (taken in a single session)