NGC 1657
NGC 1657 is a mixed spiral galaxy located in the constellation Eridanus. Some key stats include:
| NGC: | NGC 1657 |
| Type: | galaxy |
| Galaxy type: | mixed spiral |
| Galaxy morph class: | SABb |
| Constellation: | Eridanus |
| Surface brightness: | 23.7 mag/arcsec2 |
| B-magnitude (blue): | 14.9 |
| J-magnitude (IR): | 12.5 |
| H-magnitude (IR): | |
| K-magnitude (IR): | 11.9 |
| Right Ascension: | 04:46:07.26 |
| Declination: | -02:04:38.20 |
| Major axis: | 1.15 ' |
| Minor axis: | 0.85 ' |
| Angle (major axis): | 154° |
| Radial velocity: | 4325 km/s |
| Redshift: | 0.014533 |
Right Ascension units = HH:MM:SS.SS
Declination units = DD:MM:SS.SS
PN = planetary nebula