Messier M108
M108 (NGC 3556) is a barred spiral galaxy located within the constellation Ursa Major in the Ursa Major Group of galaxies.
M108 is best viewed during early spring, is magnitude 11.0*, and can be viewed with small telescope. It is 8 x 1' in size. For reference, the full moon is 30' (arc minutes) in size.
- Name:
- Type:
- barred spiral galaxy
- Constellation:
- Ursa Major
- NGC:
- 3556
- Magnitude (m):
- 11.0
- Viewing:
- small telescope
- Size:
- 8 x 1'
- RA:
- 11h 11.6m
- Dec:
- 55 41'
- Season:
- early spring
- Galaxy group:
- Ursa Major Group
- Messier Marathon #:
- 37
* The naked eye can see up to magnitude 8 objects under ideal dark sky conditions.
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