Derby and District Astronomical Society
NGC 2024
The Flame Nebula
Emission Nebula in Orion RA 05h 41m 54s Dec -01d 51m 00s
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Adrian Brown took the following image of a region of Orion which contains the Flame Nebula (NGC 2024) as well
as the famous Horsehead Nebula (Barnard 33). The Flame Nebula lies just below the bright star Alnitak (Zeta Orionis) to the lower left of
centre in this picture. Alnitak is the leftmost star in Orion's Belt as seen from the northern hemisphere. The bright star in the upper left
corner of the picture is Alnilam (Epsilon Orionis) - the middle star of Orion's belt. Hence north is to the left in this picture and we are actually
seeing Orion on its side in this view. NGC 2024 has a dark tree-like structure of dust lanes superimposed against it. This earns NGC 2024 its
other name of The Christmas Tree Nebula. The Horsehead Nebula lies in the middle of the picture and is silhouetted against the emission
nebula IC 434. Adrian took this picture during the early hours of Friday, 4th November 2005. It was created from 2 hours and 20 minutes of
exposure (14 x 10min) taken with an ATK-16HR CCD camera, an Astronomik 13nm Hydrogen-Alpha filter and Chris Newsome's Vivitar 75-205mm f/3.5
zoom lens which was set to 135mm and f/5.6.
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