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Taken July 3, 2008 from my ranch in Mariposa County, California
Pentax 6x7 Takumar 400 mm F/4 lens used at F/4
AP1200GTO mount
AP80/900mm guide scope
FLI Proline 9000 camera (eng grade sensor), operated at -35C no RBI Annhilator used (slow download mode)
SBIG ST7ME guide camera
Baader Planetarium Ha 50 x 50 mm square filter
FLI [SII] and [OIII] 50 x 50 mm square filters
FLI CFW4-5
5 exposures of 20 minutes through Halpha filter
1 hours 40 minutes total exposure