NGC 3657
NGC 3657 is a mixed spiral galaxy located in the constellation Ursa Major. Some key stats include:
| NGC: | NGC 3657 |
| Type: | galaxy |
| Galaxy type: | mixed spiral |
| Galaxy morph class: | SABc |
| Constellation: | Ursa Major |
| Surface brightness: | 22.1 mag/arcsec2 |
| B-magnitude (blue): | 13.2 |
| J-magnitude (IR): | 11.1 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 10.4 |
| Right Ascension: | 11:23:55.58 |
| Declination: | 52:55:15.60 |
| Major axis: | 0.99 ' |
| Minor axis: | 0.88 ' |
| Angle (major axis): | 169° |
| Radial velocity: | 1213 km/s |
| Redshift: | 0.004053 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula