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Click here to see this image in Halpha light
Taken on August 24, 2002 at Fremont Peak State Park, California (almost full moon)
Luminance and Red: 4 exposures of 20 minutes exposed through Custom Scientific 3nm Halpha filter
Green and Blue: 7 exposures of five minutes exposed through OPTEC IR Blocking RGB filter set
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Imaging equipment:
AP155EDF f/7 imaging scope
FLI IMG1024S Dream Machine Imaging Camera @ -20C
TV101 guide scope
ST7E NABG guide camera
AP1200GTO mount
Optec TCF-S focuser
FLI CFW1 Filter wheel using Custom Scientific 50mm Hydrogen Alpha (3nm bandwidth) filter, OPTEC IR Blocking RGB Filters
Maxim DL 3.0.7 used for image capture, Focusmax used for focusing. Sigma Beta 10 used for Darks, Flats and stacking
Photoshop 7 used for touchup
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