NGC 939 | |
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![]() DECam image of NGC 939 | |
Observation data (J2000 epoch) | |
Constellation | Eridanus |
Right ascension | 02h 26m 21.312s [1] |
Declination | −44° 26′ 46.08″ [1] |
Redshift | 0.017186 [2] |
Helio radial velocity | 5108 km/s [2] |
Distance | 241.4 ± 17.0 Mly (74.01 ± 5.22 Mpc) [3] |
Apparent magnitude (B) | 14.06 [2] |
Characteristics | |
Type | S0/a [2] /E [4] |
Other designations | |
MCG -07-06-004, PGC 9271 [2] |
NGC 939 is a lenticular or elliptical galaxy in the constellation Eridanus. It is estimated to be 241 million light-years from the Milky Way [3] and has a diameter of approximately 80,000 ly. NGC 939 was discovered on October 18, 1835 by astronomer John Herschel. [5] [6]
NGC 939 is better seen from the southern hemisphere because of its location south of the celestial equator. [7]
NGC 50 is an elliptical galaxy in the constellation Cetus with a diameter of 170,000 light-years. It was discovered in 1865 by Gaspare Ferrari. The galaxy is, in comparison to the Milky Way, about 1.5-2 times as large. It is also physically close to NGC 49.
NGC 990 is an elliptical galaxy located in the constellation Aries about 153 million light-years from the Milky Way. It was discovered by the German - British astronomer William Herschel in 1786.
NGC 810 is an unbarred elliptical galaxy located in the constellation Cetus, approximately 360 million light-years from the Milky Way. It was discovered by the French astronomer Édouard Stephan in 1871.
NGC 860 is an elliptical galaxy located in the constellation Triangulum. It is about 410 million light-years from the Milky Way. It was discovered by the French astronomer Édouard Stephan in 1871.
NGC 890 is a lenticular galaxy in the constellation Triangulum. It is estimated to be 180 million light-years from the Milky Way and has a diameter of approximately 130,000 ly. NGC 890 was discovered on September 13, 1784 by Wilhelm Herschel.
NGC 910 is an elliptical galaxy in the constellation of Andromeda. NGC 910 was discovered on October 17, 1786 by the German-British astronomer William Herschel. It is the brightest galaxy in the cluster Abell 347.
NGC 790 is a lenticular galaxy in the constellation Cetus. It is estimated to be 233 million light-years from the Milky Way and has a diameter of approximately 90,000 light years. NGC 790 was discovered on September 10, 1785 by the German-British astronomer William Herschel.
NGC 904 is an elliptical galaxy in the constellation Aries. It is estimated to be 244 million light years from the Milky Way and has a diameter of approximately 85,000 ly. NGC 904 was discovered on 13 December 1884 by the astronomer Edouard Stephan.
NGC 906 is a barred spiral galaxy in the constellation Andromeda in the northern sky. It is estimated to be 215 million light years from the Milky Way and has a diameter of approximately 110,000 ly. NGC 906 was discovered on October 30, 1878 by astronomer Édouard Stephan.
NGC 812 is a spiral galaxy located in the Andromeda constellation, an estimated 175 million light-years from the Milky Way. NGC 812 was discovered on December 11, 1876 by astronomer Édouard Stephan.
NGC 911 is an elliptical galaxy located in the constellation Andromeda about 258 million light years from the Milky Way. It was discovered by French astronomer Édouard Stephan in 1878. It is a member of the galaxy cluster Abell 347.
NGC 996 is an elliptical galaxy of the Hubble type E0 in the constellation Andromeda. It is estimated to be 210 million light years from the Milky Way and has a diameter of approximately 75,000 ly. The supernova SN 1996bq occurred in this galaxy. NGC 996 was discovered on December 7, 1871 by astronomer Édouard Stephan.
NGC 937 is a barred spiral galaxy located in the constellation Andromeda about 251 million light years from the Milky Way. It was discovered by the French astronomer Édouard Stephan in 1884.
NGC 941 is an intermediate spiral galaxy in the constellation Triangulum. It is an estimated 55 million light-years from the Milky Way and has a diameter of approximately 55,000 light years. The galaxies NGC 926, NGC 934, NGC 936, NGC 955 are located in the same sky area. NGC 941 was discovered by the astronomer William Herschel using on 6 January 1785.
NGC 821 is an elliptical galaxy in the constellation Aries. It is estimated to be about 80 million light-years from the Milky Way and has a diameter of approximately 55,000 light years. NGC 821 was discovered on September 4, 1786, by astronomer Wilhelm Herschel.
NGC 736 is an elliptical galaxy in the constellation Triangulum. It is an estimated 200 million light years from the Milky Way and has a diameter of approximately 85,000 light years. NGC 736 was discovered on September 12, 1784 by the German-British astronomer William Herschel.
NGC 766 is an elliptical galaxy located in the Pisces constellation about 362 million light years from the Milky Way. It was discovered by British astronomer John Herschel in 1828.
NGC 768 is a barred spiral galaxy located in the constellation Cetus about 314 million light years from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885.
NGC 623 is a large elliptical galaxy located in the Sculptor constellation at a distance of about 400 million light-years away from the Milky Way. It was discovered by British astronomer John Herschel in 1837.
NGC 636 is an elliptical galaxy in the Cetus constellation. It is located about 96 million light-years from the Milky Way. It was discovered by the German–British astronomer William Herschel in 1785.