Astronomy Almanac >
 Home         
 Images         
 Questions         
 Almanac         
 Our Universe         
   Planets  
   Moons  
   Constellations  
   Stars  
   Messier Objects  
Galaxies  
   Nebulae  
 History         
   Timelines  
   Astronomers  
   Glossary         
Almanac > Messier Objects

M91

M91 is a Galaxy in Charles Messier's catalog of deep sky objects.
 

 



M91

 
 
Fact Sheet

Messier Number

  M91

Catalog Number

  NGC 4548

Constellation

  Coma Berenices

Location

  12 35.4 (Right Ascension)

  14 30 (Declination)

Integrated Visual Magnitude

  10.2

Angular Size

  5.4 x 4.4 arc minutes

Type

  Galaxy

Distance From Earth

  60,000 light years

Discoverer

  Charles Messier in 1781

 
Description

Overview:
The Messier Object M91 is a Galaxy discovered by Charles Messier in 1781. It has an angular size of 5.4 x 4.4 arc minutes.

Location:
M91 is located within the borders of the constellation Coma Berenices at Right Ascension 12 35.4 and Declination 14 30. It is 60,000 light years from Earth which makes it the 94th furthest Messier Object from Earth.

Brightness:
In relation to the other Messier Objects, M91 is a dim deep space object with a brightness rating of 10.2.