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Almanac > Messier Objects

M108

M108 is a Galaxy in Charles Messier's catalog of deep sky objects.
 

 



M108

 
 
Fact Sheet

Messier Number

  M108

Catalog Number

  NGC 3556

Constellation

  Ursa Major

Location

  11 11.5 (Right Ascension)

  55 40 (Declination)

Integrated Visual Magnitude

  10

Angular Size

  8 x 1 arc minutes

Type

  Galaxy

Distance From Earth

  45,000 light years

Discoverer

  Pierre Méchain in 1781

 
Description

Overview:
Messier Object M108 is a Galaxy which was discovered by Pierre Méchain in 1781. It has an angular size of 8 x 1 arc minutes.

Location:
M108 is located within the borders of the constellation Ursa Major at RA 11 11.5 and Declination 55 40. It is 45,000 light years from Earth which makes it the 92nd furthest Messier Object from Earth.

Brightness:
Compared to the other objects from the Messier catalog, M108 is a relatively dim deep space object with a visual magnitude of 10.