| Nebula | |
|---|---|
| H II region | |
Sh 2-12 (left) and Messier 6 (right) | |
| Observation data:epoch | |
| Right ascension | 17h 35m 45s |
| Declination | −32° 35′ 05″[1] |
| Distance | 3210[2] ly (1300±100 pc) |
| Apparent diameter | 120' x 120' |
| Physical characteristics | |
| Radius | 112 ly |
| Designations | RCW 132,Gum 67,IRAS 17324-3233,LBN 1116 |
| See also:Lists of nebulae | |
Sh 2-12 is anemission nebula inScorpius. It was discovered byStewart Sharpless in 1951 as he began to work on his catalog of nebulae, which would become theSharpless Catalog.
This nebula is ionized by the starHD 159176, which is located in theopen clusterNGC 6383.[3] NGC 6383, along with the smaller Trumpler 28, are both located within the nebula.[4]Messier 6 is only one degree away.[5]
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