- absolute magnitude
- -21.5
- apparent magnitude
- 4.86, 4.36, 3.44, 2.094, 1.283, 0.984
- catalog code
- M 31, NGC 224, PGC 2557, 2MASX J00424433+4116074, UGC 454, IRAS F00400+4059, IRAS 00400+4059, 2C 56, IRC +40013, RAFGL 104, UZC J004244.3+411608, LEDA 2557
- child astronomical body
- Messier 110, Messier 32, Triangulum Galaxy, Andromeda II, NGC 185, NGC 147, Andromeda XXI, Andromeda IX, Cassiopeia Dwarf, Pegasus Dwarf Spheroidal Galaxy, Andromeda IV, Andromeda VIII
- declination
- 41.2687500
- declination component of proper motion
- -9.0
- distance from Earth
- 0.82
- galaxy morphological type
- SA(s)b
- mass
- 800000000000
- parallax
- 6.0
- radial velocity
- -300.0
- radius
- 110000
- redshift
- -0.000677
- right ascension
- 10.6847083
- right ascension component of proper motion
- -3.4
- time of discovery or invention
- January 1964