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[SII] = Red, Ha = Green, [OIII] = Blue
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Halpha only
taken July 2 and 4, 2008 from Montebello Open Space Preserve in Santa Clara County, California
Pentax 6x7 Takumar 400 mm F/4 lens used at F/8 for Halpha and at F/4 for [OIII] and [SII]
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
9 exposures of 10 minutes through Halpha filter
4 exposures of 20 minutes through [OIII] filter
6 exposures of 10 minutes through [SII] filter
3 hours 50 minutes total exposure