NGC 640
NGC 640 is a barred spiral galaxy located in the constellation Cetus. Some key stats include:
| NGC: | NGC 640 |
| Type: | galaxy |
| Galaxy type: | barred spiral |
| Galaxy morph class: | SBa |
| Constellation: | Cetus |
| Surface brightness: | 23.2 mag/arcsec2 |
| V-magnitude (visual): | 15.5 |
| B-magnitude (blue): | 15.4 |
| J-magnitude (IR): | 12.8 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 12.2 |
| Right Ascension: | 01:39:24.88 |
| Declination: | -09:24:04.20 |
| Major axis: | 0.76 ' |
| Minor axis: | 0.43 ' |
| Angle (major axis): | 147° |
| Radial velocity: | 7407 km/s |
| Redshift: | 0.02502 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula