NGC 3644
NGC 3644 is a early spiral galaxy located in the constellation Leo. Some key stats include:
| NGC: | NGC 3644 |
| Type: | galaxy |
| Galaxy type: | early spiral |
| Galaxy morph class: | Sa |
| Constellation: | Leo |
| Surface brightness: | 24.1 mag/arcsec2 |
| B-magnitude (blue): | 15.0 |
| J-magnitude (IR): | 11.9 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 11.2 |
| Right Ascension: | 11:21:32.87 |
| Declination: | 02:48:37.60 |
| Major axis: | 1.43 ' |
| Minor axis: | 0.61 ' |
| Angle (major axis): | 65° |
| Radial velocity: | 7059 km/s |
| Redshift: | 0.02383 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula