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Sh2-82 (Little Cocoon Nebula)


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Sh2-82
Little Cocoon Nebula (小さい繭星雲)
Little Trifid Nebula (小さい三裂星雲)
Emission Nebula (散光星雲)
Nb EN


別名 (Other names)

Sharpless 82, Sh 2-82, LBN 129, Mol 104, Avedisova 843

星座 (Constellation)
や座 (Sge) (Sagitta)

座標 (Coordinates)
(53.54°, 0.01°)

距離 (Distance)
3,590光年 (3,590 light-years)

Sh2-82 (Little Cocoon Nebula) is an emission nebula located 3,590 light years from the Earth in the constellation Sagitta.

Sh2-82 (Little Cocoon Nebula) : Picture

Sh2-82, Cocoon Nebula
Sh2-82, Cocoon Nebula
(C) T.A. Rector (University of Alaska Anchorage) and H. Schweiker (WIYN and NOAO/AURA/NSF)
This image was obtained with the wide-field view of the Mosaic camera on the Mayall 4-meter telescope at Kitt Peak National Observatory. Informally known as the 'little Trifid Nebula' and the 'Cocoon Nebula', Sh2-82 is a relatively small emission nebula (seen as red) surrounded by a blue reflection nebula. A long dust lane runs diagonally through the image, blocking the light of most of the stars behind it. The image was generated with observations in B (blue), V (green), I (orange) and Hydrogen-Alpha (red) filters. In this image, North is right, East is up.

Sh2-82 (Little Cocoon Nebula)
Sh2-82 (Little Cocoon Nebula)
(C) Image by Dean Salman - http://www.sharplesscatalog.com
Also known as the little cocoon nebula, Sh2-82 has a lot to offer. The reflection nebula surrounds the bright red emission nebula with a flare of the one side. There is also a long tail that hangs off which fast wide angle systems will pick up. Larger telescopes will pick up the structure not quite seem in this image. The RGB color filters did very well for this object.

Sh2-82 (Little Cocoon Nebula)
Sh2-82 (Little Cocoon Nebula)
(C) http://galaxymap.org/
This combination HII region and reflection nebula, also called LBN 129 and DG 159, is ionised by the B0.5V star HD 231616. With the current distance estimate, it appears to be near the Vul OB4 association.

Sh2-82 (Little Cocoon Nebula)
Sh2-82 (Little Cocoon Nebula)
(C) Palomar Observatory

Sh2-82 (Little Cocoon Nebula) Sh2-82
Sh2-82 (Little Cocoon Nebula)
(C) Image by Dean Salman - http://www.sharplesscatalog.com
Sh2-82, Cocoon Nebula
(C) NOAO
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Sh2-82 (Little Cocoon Nebula) : Movie

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