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Sh2-102 (Emission Nebula)


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Sh2-102
Emission Nebula (散光星雲)
Nb EN


別名 (Other names)

Sharpless 102, Sh 2-102, LBN 169

星座 (Constellation)
はくちょう座 (Cyg) (Cygnus)

座標 (Coordinates)
(71.4°, -5.31°)

距離 (Distance)

Sh2-102 is an emission nebula in the constellation Cygnus.

Sh2-102 (Emission Nebula) : Picture

Sh2-102 (Emission Nebula)
Sh2-102 (Emission Nebula)
(C) Image by Dean Salman - http://www.sharplesscatalog.com
This odd but large object is not far from another famous Sharpless object called the Veil Nebula or SH2-103. But unlike the Veil, this one is rather faint and requires a great deal of exposure to capture the contrast it has to offer. The nebula goes a bit beyond what is seen here but this is the brightest area. It responds fairly well to hydrogen-alpha filters, but did poor with the standard RGB so I would say this is not a good one for narrowband color.

Sh2-102 (Emission Nebula)
Sh2-102 (Emission Nebula)
(C) http://galaxymap.org/
The faint red arc of nebulosity is almost lost in the glare of the F5Iab supergiant 41 Cygni.

Avedisova associates Sh 2-102 with the Lynds dark nebula LDN 844 and places them both in the star formation region SFR 71.40-5.31.

Sh2-102 (Emission Nebula)
Sh2-102 (Emission Nebula)
(C) Palomar Observatory

Sh2-102 (Emission Nebula)
Sh2-102 (Emission Nebula)
(C) Image by Dean Salman - http://www.sharplesscatalog.com
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