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Taken on September 25, 2002 from backyard in Castro Valley, Ca.
9 exposures of 10 minutes and 6 exposures of 15 minutes through Schuler Hydrogen Alpha filter (9nm). Total exposure time = 3 hours
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AP155EDF f/7 imaging scope
FLI IMG1024S Dream Machine Imaging Camera @ -25C
TV101 guide scope
ST7E NABG guide camera
Optec TCF-S focuser
FLI CFW1 Filter wheel with Schuler 50mm Hydrogen Alpha (9nm bandwidth) filter
Maxim DL 3.0.7 used for image capture, calibration and alignment, Focusmax used for focusing, Sigma Beta 10 used for darks, flats, stacking
Photoshop 7 used for touchup