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taken on September 17, 18, 24 and 25, 2010 from my ranch in the California Sierra Gold Country
Astro-Physics AP155EDF f/7
Finger Lakes CFW 1 filter wheel
Robofocus
Finger Lakes Proline PL3200 camera
Custom Scientific 3nm FWHM Sulfur, Hydrogen Alpha and Oxygen filters
Astro Physics 80/900mm guide scope
SBIG ST7ME guide camera
AP1200GTO mount
159 x 90 seconds for [SII]
80 x 90 seconds for Halpha
60 x 90 seconds for [OIII]
7 hours 28.5 minutes total exposure time