Sh 2-2
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| Emission nebula | |
|---|---|
| H II region | |
 Image of Sharpless 2 | |
| Observation data: J2000 epoch | |
| Right ascension | 17h 04m 06.6s[1] |
| Declination | −38° 08′ 33″[1] |
| Apparent dimensions (V) | 1°[1] |
| Constellation | Scorpius |
| Designations | Sh 2-2, Gum 57 |
Sh 2-2, also known as Sharpless 2, is an emission nebula in the constellation of Scorpius. It appears as a mid-range brightness making it difficult to view. It is believed to currently host an X-ray binary star that originated and was ejected from the Scorpius OB1 association. Amateur astronomers can usually see it with a wide field telescope and a hydrogen-alpha filter.
The nebulous area is fairly large with an irregular shape appearing as a H II region.[2] The remnant has an apparent diameter that covers approximately 60'. It is seen behind the open cluster NGC 6281.[3]
References
[edit | edit source]External links
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