- RA 18:21, Dec -16:11 (Sagittarius)
- Distance: 5500 ly
- Type: emission nebula
- aka the Swan Nebula, the Horseshoe Nebula, the Checkmark Nebula, the Lobster Nebula
- The Omega Nebula is brighter than its neighbor the Eagle Nebula and consists almost entirely of gas with few stars (as yet).
|Bill Arnett||1995 July 5|