Click to see the full-resolution image

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.
Comments:
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