NGC 1861
NGC 1861 is a open cluster located in the constellation Mensa. Some key stats include:
| NGC: | NGC 1861 |
| Type: | open cluster |
| Constellation: | Mensa |
| V-magnitude (visual): | 13.1 |
| B-magnitude (blue): | 13.6 |
| Right Ascension: | 05:10:22.14 |
| Declination: | -70:46:37.60 |
| Major axis: | 1.5 ' |
| Minor axis: | 1.5 ' |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula