NGC 2239 Butterfly Nebula
NGC 2239 is a Cluster + nebula located in the constellation Monoceros. Some key stats include:
| NGC: | NGC 2239 |
| Common name: | Butterfly Nebula |
| Type: | Cluster + nebula |
| Duplicate cross-reference: | NGC 2244 |
| Constellation: | Monoceros |
| V-magnitude (visual): | 4.8 |
| B-magnitude (blue): | 5.26 |
| Right Ascension: | 06:31:55.56 |
| Declination: | 04:56:34.60 |
| Major axis: | 9.3 ' |
| Radial velocity: | 34 km/s |
| Redshift: | 0.000112 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula