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taken on July 25, 2009 from my cattle ranch in the Gold country of the Northern California Sierra
Astro-Physics AP155EDF f/7 with 4" field flattener
FLI Proline PL16803
FLI CFW2-7 filter wheel
FLI 8nm Halpha filter (50 x 50 mm)
Astro-Physics 80/900mm guide scope with adjustable rings
Astro-Physics AP1200GTO mount
SBIG ST7E guide camera
9 exposures of 15 minutes
2 hours 15 minutes total exposure