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Subject: Galaxy M101
Author: Paul Kanevsky
Scope:WO Megrez 80 Super APOat F/4.9
Instruments:with AP 0.75x reducer,HX916 CCD, G11 mount, ST-4
Exposure time:LRGB 60:30:30:30 minutes, all binned 1x1 except for red binned 2x2
Place & Seeing:
Date:Jan. 11, 2003
Remarks:Processing: Photoshop and flat-frame processing applied

 

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