Coalsack Nebula - dark nebula
Coalsack Nebula, also known as the Southern Coalsack, is a dark nebula located in the constellation Crux.
Coalsack Nebula is magnitude and is 7° x 5° in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Name:
- Coalsack Nebula
- Alt Name:
- Southern Coalsack
- Type:
- dark nebula
- Size:
- 7° x 5°
- Constellation:
- Crux
- Caldwell #:
- C99
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.