Geoff Chester  
Messier 42, imaged from Alexandria, VA, 2004 December 18.  20-cm (8-inch) f/10 Schmidt-Cassegrain telescope, f/6.3 focal reducer, and a Meade DSI CCD camera.  3 stitched images, each a composite of 25 frames of 4-second exposures, stacked with RegiStax 3.0, final processing with The GIMP 2.2 and PhotoShop Elements 2.0.

Messier 42, imaged from Alexandria, VA, 2004 December 18. 20-cm (8-inch) f/10 Schmidt-Cassegrain telescope, f/6.3 focal reducer, and a Meade DSI CCD camera. 3 stitched images, each a composite of 25 frames of 4-second exposures, stacked with RegiStax 3.0, final processing with The GIMP 2.2 and PhotoShop Elements 2.0.(Geoff Chester)


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