Eastern part of the Rosette Nebula (NGC 2237-9)

on Tuesday, April 19, 2011

by John Ebersole

Taken through LB-0003: 14.5-inch (0.37-meter) RC Optical Systems Ritchey-Chretien reflector with ion-milled optics at f/9.0 on a Software Bisque Paramount ME German Equatorial mount, Apogee Alta U16M CCD camera, Hydrogen-alpha, Sulfur-II, Oxygen-III image with exposures of 90, 60, and 60 minutes, respectively

 

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