Herschel 166 (NGC 3556)
Herschel 166 (NGC 3556) is a galaxy located within the constellation Ursa Major. Herschel 166 is best viewed during Spring, is magnitude 10., and can be viewed with small telescope.
Herschel 166 is also listed in the Messier catalog as object M108.
- Herschel #:
- Ursa Major
- Messier reference:
- 11h 11.0m
- +55° 40'
Find your inner astronomer. Your complete guide to amateur astronomy.