The Triangulum Galaxy (M33, Messier 33, or NGC 598) is a Spiral Galaxy about two and a half million light-years away. It is one of the most distant objects visible by the naked eye, with an Apparent Magnitude (m) of 5.72. It is estimated to have 40 billion stars, and is 50,000 light-years across and is the third largest Galaxy of the Local Group (LG) after Andromeda (M31) and the Milky Way, which are also the only spiral galaxies of the Local Group.
Large Magellanic Cloud (LMC)
Local Group (LG)