Mike's Astro Photos
Dec.23 2013

Horse Head Nebula

by , under Nebula

When I first started learning about astronomy, there were three deep space objects that really captivated my attention: The Andromeda Galaxy, The Orion Nebula and the Horse Head Nebula. As time passes and I come back to these targets I appreciate things about them I never knew or noticed before. After getting involved with horses this year I started thinking about the Horse Head Nebula again and wanting to image it. Its not visible in the summer, but this past November, as soon as the conditions and time were right, I started working on it. I just finished up last week. Over 38 hours of exposure time through 7 different channels on more than 20 different nights contributed to this final picture below. Its a combination of light data collected through narrow band (Ha, Oii & Siii), RGB (Red, Green & Blue) and Luminance (clear) filters.

Horse Head Nebula – December 2013 – Click To Enlarge

Image Details for The Horse Head Nebula
Narrow Band Ha, Oii, Siii: 7.6 hours each
RGB: 3 hours each
Luminance: 6 hours
Total exposure: 7.6 + 7.6 + 7.6 + 3 + 3 + 3 + 6 = 37.8 hours!
Camera: Apogee U16M
Guider: SBIG 402 with MMOAG Off Axis Guider
Telescope: RCOS 14.5
Mount: Paramount ME
Location: Auberry, CA
Date: Over 20 nights from November through December
Software: The SkyX, MaximDL, FocusMax, CCDAutoPilot, CCDStack, Photoshop


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