IC-434 - Horsehead Nebula
The Horsehead Nebula (Barnard 33) in Orion is a dark region of dust and non-luminous gas that blocks the red background light from the bright emission nebula (IC434). The nebula is located approximately 1,500 light years away. The bright object at the upper left of this image is the bright reflection nebula NGC 2023.
The above image is a color composite collected on 28-29 December 2010 with a SXV-H9 monochrome camera through a William Optics FLT110 4.3" f/7 refractor. A 90-minute luminance exposure was combined with red, green, and blue-filtered exposures of 28, 28, and 20-minutes, respectively.
More information about this object can be found at Wikipedia-Horsehead Nebula and the SEDS - Horsehead Nebula.
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