NGC 644
NGC 644 is a barred spiral galaxy located in the constellation Phoenix. Some key stats include:
| NGC: | NGC 644 |
| Type: | galaxy |
| Galaxy type: | barred spiral |
| Galaxy morph class: | SBc |
| Constellation: | Phoenix |
| Surface brightness: | 23.4 mag/arcsec2 |
| B-magnitude (blue): | 14.7 |
| J-magnitude (IR): | 12 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 11.3 |
| Right Ascension: | 01:38:52.96 |
| Declination: | -42:35:07.00 |
| Major axis: | 1.3 ' |
| Minor axis: | 0.68 ' |
| Angle (major axis): | 154° |
| Radial velocity: | 6151 km/s |
| Redshift: | 0.020731 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula