NGC 691 (H173)
NGC 691 (H173) is a galaxy located in the constellation of Aries. The Herchel 2500 is a catalog of nebulae, star clusters, and galaxies. Here are the key stats on NGC 691:
| Herschel: | H173 |
| NGC/IC: | NGC 691 |
| Herschel: | H 2.617 |
| Type: | galaxy |
| Magnitude: | 11.4 |
| Right Ascension: | 01:50.7 |
| Declination: | +21:46 |
| Constellation: | Aries |
| Size (arc-minutes): | 3.5 |
| Notes: | NGC 697 group |