M45 Tau 90

December 30, 2005

This is a combination of 10 images, each of 120 seconds The images were taken with a DSI attached to an Meade 5" F/9.2 APO on a Paramount . Each of the images was corrected with a dark frame and a flat field.

The flat field was not quite correct leaving a couple of dark circles




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Last updated: January 2, 2006