The Horsehead and Flame Nebula (Kurt Zeppetello)

Celestial hemisphere: Southern · Constellation: Orion (Ori) · Contains: 48 sig Ori · 50 zet Ori · Alnitak · B33 · Horsehead nebula · IC 431 · IC 432 · IC 434 · IC 435 · NGC 2023 · NGC 2024 · Orion · Sh2-277 · The star Alnitak (ζOri) · The star σOri · VdB51

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The Horsehead and Flame Nebula

Link: http://kurt-zeppetello.blogspot.com/

Powered byPixInsight

The Horsehead and Flame Nebula

Link: http://kurt-zeppetello.blogspot.com/

This is my last image of 2016. I took a break from imaging Messier objects. It shows the Horsehead Nebula (IC 434, a.k.a. Barnard 33) and the Flame Nebula (NGC 2024) captured from the Happy Frog Observatory at my home in Monroe, CT.

The Horsehead Nebula is located just to the south of the star Alnitak and is approximately 1500 light years from Earth. The name comes from shape of its swirling cloud of dark dust and gases which resembles a horse's head when viewed from Earth. Very large telescope images show this very well. The reddish color is from hydrogen gas behind the Horsehead Nebula which is ionized by the nearby bright star Sigma Orionis (source: wikipedia).

The Flame Nebula is an emission nebula is about 900 to 1,500 light-years away. Again, the bright star Alnitak is responsible as it shines energetic ultraviolet light into the Flame. The light knocks electrons away from the clouds of hydrogen gas that reside there. Much of the glow results when the electrons and ionized hydrogen recombine (source; wikipedia).

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Status	Advanced success
Started	...
Astrometry.net job	1394103
PixInsight job	Q3CAJB0QPFND87HILR6D7ARC4K2K30CA
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	05h40m57s.33
RA (top/left)	05h38m13s.37
RA (top/right)	05h38m38s.14
RA (bottom/right)	05h43m41s.29
RA (bottom/left)	05h43m16s.38

Dec (center)	-02°17′23″.6
Dec (top/left)	-01°22′21″.1
Dec (top/right)	-03°16′37″.2
Dec (bottom/right)	-03°12′28″.4
Dec (bottom/left)	-01°18′16″.3

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The Horsehead and Flame Nebula

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