Nebulae in Orion

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The Horsehead Nebula (also known as Barnard 33 in emission nebula IC 434) is a dark nebula in the constellation Orion. The nebula is located just to the south of the star Alnitak, which is farthest east on Orion’s Belt, and is part of the much larger Orion Molecular Cloud Complex.
The reflection nebula NGC 2023 is in the constellation Orion. It is one of the brightest sources of fluorescent molecular hydrogen, and at 4 light-years wide it is one of the largest in the sky. It is powered by the B star (B1.5) HD 37903, the most luminous member of a cluster of young stellar objects illuminating the front surface of the Lynds 1630 molecular cloud (Barnard 33) in Orion B.

The Flame Nebula, designated as NGC 2024 and Sh2-277, is an emission nebula in the constellation Orion. It is about 900 to 1,500light-years away. The bright star Alnitak (ζ Ori), the easternmost star in the Belt of Orion, shines energetic ultraviolet light into the Flame and this knocks electrons away from the great clouds of hydrogen gas that reside there.

Imaging telescopes or lenses: Takahashi TSA 102 f/8
Imaging cameras: Canon EOS 1000D / Rebel XS
Mounts: Takahashi EM-400 Temma2
Guiding telescopes or lenses: Lunatico EZG60
Guiding cameras: QHYCCD QHY5
Software: PHD guiding, PixInsight, Bahtinov Grabber
Filters: Astronomik CLS CCD clip in
Dates: Feb. 12, 2012
Frames: Astronomik CLS CCD clip in: 12×600″ ISO800
Integration: 2.0 hours
Darks: ~20
Flats: ~20
Bias: ~20

Author: Alberto Pisabarro
AstroPhotography of the day by SPONLI 15 Aug 2014