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Object: Pacman Nebula, NGC281
Date: Sept 16, 2003
Equipment: WO FLT110 at F/4.9, HX916 CCD, G11 mount, ST-4 autoguider
Exposure: RGB exposure, all channels binned 1x1.
80:10:30 minutes. No darks or flats.
Processing: Photoshop. Green channel was enhanced by combining it with the blue channel. Synthetic luminance was constructed by combining R, G, and B.
Click here to see the full resolution image

Seeing was variable starting out at about 5" FWHM and ending at about 3.9" at the end of the exposure. Half-moon was in the sky for most of the exposure. Green channel exposure was aborted  because the computer ran out of disk space :-(

Description: NGC281 is a diffused nebula located in the constellation of Cassiopeia. It is about 44 light years across and approximately 5,500 light years away from Earth.

Copyright 2003 Paul Kanevsky