Thor's Helmet (NGC 2359)

on Wednesday, April 06, 2011

by Jase Jennings

Taken through LB-0001: 24-inch (0.61-meter) RC Optical Systems Ritchey-Chretien reflector at f/8.0 with ion-milled optics on an RC Optical Systems Professional Series Equatorial Fork Mount, Apogee Alta U42 CCD camera, Hydrogen-alpha/RGB image with exposures of 70, 40, 40, and 40 minutes, respectively

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