NGC 642
NGC 642 is a barred spiral galaxy located in the constellation Sculptor. Some key stats include:
| NGC: | NGC 642 |
| Type: | galaxy |
| Galaxy type: | barred spiral |
| Galaxy morph class: | SBc |
| Constellation: | Sculptor |
| Surface brightness: | 23.0 mag/arcsec2 |
| B-magnitude (blue): | 13.4 |
| J-magnitude (IR): | 11.2 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.7 |
| Right Ascension: | 01:39:06.33 |
| Declination: | -29:54:53.60 |
| Major axis: | 1.8 ' |
| Minor axis: | 1.09 ' |
| Angle (major axis): | 18° |
| Radial velocity: | 5861 km/s |
| Redshift: | 0.019746 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula