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1 References  





2 External links  














Sh2-1






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Coordinates: Sky map15h58m51.2s, 26° 0714
 

From Wikipedia, the free encyclopedia
 


Sh2-1
Reflection nebula
Sharpless 1 (red emission nebula mixed with the reflection nebula (vdB99) around Pi Scorpii and LBN 1094 (south of Pi Scorpii). To the east of Sh2-1 are LBN 1092 and LBN 1093.
Observation data: J2000 epoch
Right ascension15h58m 51.2s[1]
Declination−26° 07′ 14[1]
Distance650[2] ly   (200 pc)
Apparent dimensions (V)2°30'[1]
ConstellationScorpius
DesignationsSh2-1
See also: Lists of nebulae

Sh2-1, also known as Sharpless1, is the combination of a diffuse HII emission nebula and reflection nebula in the constellation of Scorpius with Pi Scorpii at its center. It appears as a modest brightness making it one of the easier Sharpless catalog objects for amateur astronomers to view. It features an apparent central star[which?] inside the nebulosity however it is not part its system nor a left over remnant.[citation needed]

The nebulous area is fairly large with an irregular shape appearing as a 180° arc shape surrounding a central star.[3] The remnant[clarification needed] has an apparent diameter that covers approximately 150' and an estimated distance of approximately 650ly away.

References[edit]

  1. ^ a b c "VizieR Detailed Page". Centre de Données astronomiques de Strasbourg. 20 December 2013.
  • ^ "Sh 2-1". Galaxy Map. 16 September 2013.
  • ^ "CCD Images of the Sharpless Catalog". Dean Salman. 20 December 2013.
  • External links[edit]


  • t
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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Sh2-1&oldid=1228683540"

    Categories: 
    Reflection nebulae
    Diffuse nebulae
    Scorpius
    Sharpless objects
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