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Almanac > Messier Objects

M33

M33 is a Galaxy in Charles Messier's catalog of deep sky objects.
 

 



M33

 
 
Fact Sheet

Messier Number

  M33

Catalog Number

  NGC 598

Constellation

  Triangulum

Location

  01 33.9 (Right Ascension)

  30 39 (Declination)

Integrated Visual Magnitude

  5.7

Angular Size

  73 x 45 arc minutes

Type

  Galaxy

Distance From Earth

  3,000 light years

Common Name

  Triangulum Galaxy

Discoverer

  Giovanni Battista Hodierna before 1654

 
Description

Overview:
Messier Object M33 is a Galaxy which was discovered by Giovanni Battista Hodierna before 1654. It has an angular size of 73 x 45 arc minutes.

Location:
M33 is located inside the constellation Triangulum at Right Ascension 01 33.9 and Declination 30 39. It is 3,000 light years from the planet Earth which makes it the 75th furthest Messier Object from Earth.

Brightness:
Compared to other objects from the Messier catalog, M33 is a bright deep space object with a brightness rating of 5.7.