NGC 1645
NGC 1645 is a lenticular galaxy located in the constellation Eridanus. Some key stats include:
| NGC: | NGC 1645 |
| Type: | galaxy |
| Galaxy type: | lenticular |
| Galaxy morph class: | S0-a |
| Constellation: | Eridanus |
| Surface brightness: | 24.4 mag/arcsec2 |
| B-magnitude (blue): | 14 |
| J-magnitude (IR): | 10.6 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 9.88 |
| Right Ascension: | 04:44:06.38 |
| Declination: | -05:27:56.20 |
| Major axis: | 2.18 ' |
| Minor axis: | 0.83 ' |
| Angle (major axis): | 89° |
| Radial velocity: | 4780 km/s |
| Redshift: | 0.016072 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula