NGC 1990 Alnilam
NGC 1990 is a star located in the constellation Orion. Some key stats include:
| NGC: | NGC 1990 |
| Common name: | Alnilam |
| Type: | star |
| Constellation: | Orion |
| V-magnitude (visual): | 1.69 |
| B-magnitude (blue): | 1.51 |
| J-magnitude (IR): | 2.07 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 2.07 |
| Right Ascension: | 05:36:12.82 |
| Declination: | -01:12:06.90 |
| Radial velocity: | 27 km/s |
| Redshift: | 0.000003 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula