M76 - The Little Dumbbell

Posted by Michael Bakich
on Tuesday, January 06, 2009

by Don Goldman 

 

16-inch RC Optical Systems Ritchey-Chr├ętien telescope at f/8.9, Apogee U16M CCD camera, 12.5 hours total exposure time: 5 hrs Hydrogen-alpha, 7 hours Oxygen-III, 10 minutes each R,G,B.

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