Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Extremely wide field
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Barnard's Loop, Richard Muhlack
Barnard's Loop
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Barnard's Loop

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Description

A widefield view of the constellation Orion, showing Barnard's Loop as well as the more familiar Orion, Horsehead and Flame nebulae. M78 and part of the Witchhead Nebula can also be seen in this image, which was taken using a Canon 1000D and a Nikon E-series 50mm camera lens at f5.

To avoid diffraction spikes and reduce chromatic abberation, a DIY aperture mask (a piece of cardboard cut to size) was used to stop down the lens to f5. The DSLR has been modified to replace the original UV/IR filter with an Astrodon luminance filter. Ambient temps of 12-18C.

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Barnard's Loop, Richard Muhlack