Crescent Nebula NGC 6888 H(HO)O (Brandon Tackett)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: Crescent Nebula · LBN 203 · NGC 6888 · Sh2-105

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Crescent Nebula NGC 6888 H(HO)O

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Crescent Nebula NGC 6888 H(HO)O

The Crescent Nebula, my first narrow band image combination.

The Crescent Nebula is an emission nebula in the constellation of Cygnus. The center star is a super hot Wolf-Rayet star that is shedding a sun mass of material every 10K years in solar winds that is colliding with outer envelope of the star when it became a red giant 400K year ago. The solar winds compress the gas and cause it to emit the colored nebula we can visualized. The nebula is in our own Milky Way about 4.8K light years away. The nebula itself measures an estimated 25 light years across. Eventually the star will go supernova in approximately 1 million years.

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Final
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B
C
D

B

Description: SHO Classic

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C

Description: H(SO)O

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D

Description: Significant star reduction

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Status	Advanced success
Started	...
Astrometry.net job	3637867
PixInsight job	8UCNCXHS6Y2YCZAMWK36YF9WT3G0E2FQ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h12m08s.400
RA (top/left)	20h13m10s.318
RA (top/right)	20h13m14s.443
RA (bottom/right)	20h11m05s.151
RA (bottom/left)	20h11m02s.190

Dec (center)	+38°21′27″.42
Dec (top/left)	+38°03′24″.81
Dec (top/right)	+38°38′58″.90
Dec (bottom/right)	+38°39′29″.54
Dec (bottom/left)	+38°03′56″.37

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Crescent Nebula NGC 6888 H(HO)O

Crescent Nebula NGC 6888 H(HO)O

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Crescent Nebula NGC 6888 H(HO)O

Crescent Nebula NGC 6888 H(HO)O

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