NGC 1023 Group
Encyclopedia
The NGC 1023 group is a group of galaxies about 20.6 million
1 E22 m
To help compare different orders of magnitude, this page lists distances starting at 10 Zm .Distances shorter than 10 Zm* 24 Zm — 2.5 million light years — Distance to the Andromeda Galaxy...

 light-year
Light-year
A light-year, also light year or lightyear is a unit of length, equal to just under 10 trillion kilometres...

s away from Earth
Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

. The group resides in the Canes Venatici Cloud in the Virgo Supercluster
Virgo Supercluster
The Virgo Supercluster or Local Supercluster is the irregular supercluster that contains the Virgo Cluster in addition to the Local Group, which in turn contains the Milky Way and Andromeda galaxies. At least 100 galaxy groups and clusters are located within its diameter of 33 megaparsecs...

.

Members

Members of the group
Name Type Magnitude
Apparent magnitude
The apparent magnitude of a celestial body is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere...

NGC 1023 SB(rs)0 +10.65
NGC 925
NGC 925
NGC 925 is a barred spiral galaxy in the constellation Triangulum, about 45 million light-years away.- References :...

SAB(s)d +10.96
NGC 891
NGC 891
NGC 891 is an edge-on unbarred spiral galaxy about 30 million light-years away in the constellation Andromeda. It was discovered by William Herschel on October 6 1784. The galaxy is a member of the NGC 1023 group of galaxies in the Local Supercluster...

SA(s)b +11.24
NGC 1239 SAB(rs)cd +12.14
NGC 1058
NGC 1058
NGC 1058 is a Seyfert Type 2 galaxy in the Perseus constellation. It is approximately 27.4 million light years from Earth and has an apparent magnitude of 11.82. It is receding from Earth at , and at relative to our Galaxy....

SA(rs)c +12.26

  • Probable (dwarfs): DDO 024, DDO 025.
  • Possible members: NGC 0672, IC 1727, NGC 1156(?).
  • Possible (dwarfs): DDO 011, DDO 017, DDO 019, DDO 022, DDO 026.
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