Sh2-1
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Sh2-1, also known as Sharpless 1, 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]
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Quick Facts Reflection nebula, Observation data: J2000 epoch ...
Reflection nebula | |
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Observation data: J2000 epoch | |
Right ascension | 15h 58m 51.2s[1] |
Declination | −26° 07′ 14″[1] |
Distance | 650[2] ly (200 pc) |
Apparent dimensions (V) | 2° 30'[1] |
Constellation | Scorpius |
Designations | Sh2-1 |
See also: Lists of nebulae |
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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.