Deep sky · Dark nebula in Crux · C 99
Nebula
Coalsack Nebula
The Coalsack: a dark cloud of dust blotting out the Milky Way beside the Southern Cross — the head of the Emu in the Sky.
- Type
- Dark nebula
- Designations
- C 99
- Constellation
- Crux
- Apparent magnitude
- unmeasured — it is a shape, not a light
- Apparent size
- 7.2° × 5°
- Position (J2000)
- RA 12h 50m · Dec −62° 30′
Other skies
In many Aboriginal Australian traditions it is the head of the Emu, whose neck and body stretch along the dark lanes of the Milky Way. For the Inca it was part of a partridge.