NGC 690 | |
---|---|
Observation data (J2000 epoch) | |
Constellation | Cetus |
Right ascension | 01h 47m 48.074s [1] |
Declination | −16° 43′ 19.88″ [1] |
Redshift | 0.01721±0.00003 [2] |
Helio radial velocity | 5,160.03±9.89 [2] km/s |
Distance | 235.6 ± 16.5 Mly (72.25 ± 5.07 Mpc) [2] |
Characteristics | |
Type | SAB(s)c: [2] |
Other designations | |
AGC 410352, LEDA 6587 [3] |
NGC 690 is an intermediate spiral galaxy located in the constellation Cetus about 236 million light-years from the Milky Way. It was discovered by the American astronomer Francis Leavenworth in 1885. [4] [5]
NGC 852 is a barred spiral galaxy located in the Eridanus constellation. It is estimated to be 281 million light-years from the Milky Way and has a diameter of about 110,000 light-years. NGC 852 was discovered on October 27, 1834, by John Herschel.
NGC 740 is a barred spiral galaxy located in the Triangulum constellation. It is estimated to be 210 million light-years from the Milky Way and has a diameter of about 85,000 light-years. It was discovered by the Irish engineer Bindon Stoney, an assistant to William Parsons.
NGC 770 is an elliptical galaxy in the constellation Aries. It is around 120 million light years from the Milky Way and has a diameter of around 36,000 ly. NGC 770 is gravitationally linked to NGC 772. The galaxy was discovered on November 3, 1855 by RJ Mitchell.
NGC 801 is a spiral galaxy with an active galaxy core in the constellation Andromeda. It is estimated to be 174 million light-years from the Milky Way and has a diameter of approximately 174,400 light-years. The object was discovered on September 20, 1885 by the American astronomer Lewis A. Swift.
NGC 585 is a spiral galaxy in the constellation of Cetus, which is about 245 million light-years from the Milky Way's center. The object was discovered on December 20, 1827 by the British astronomer John Frederick William Herschel.
NGC 630 is an elliptical galaxy in the constellation Sculptor. It is estimated to be 275 million light years from the Milky Way and has a diameter of approximately 125,000 light years. The object was discovered on October 23, 1835 by the English astronomer John Herschel.
NGC 701 is a spiral galaxy with a high star formation rate in the constellation Cetus. It is estimated to be 86 million light years from the Milky Way and has a diameter of approximately 65,000 light years. The object was discovered on January 10, 1785 by the German-British astronomer William Herschel.
NGC 560 is a lenticular galaxy in the constellation Cetus. It is estimated to be about 250 million light-years from the Milky Way and has a diameter of approximately 150,000 light years. It is part of the Abell 194 galaxy cluster. NGC 560 was discovered on October 1, 1785 by the German-British astronomer William 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 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 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 804 is a lenticular galaxy located in the Triangulum constellation about 231 million light-years from the Milky Way. It was discovered by the American astronomer Lewis Swift in 1885. This galaxy was also observed by the French astronomer Guillaume Bigourdan on December 24, 1897, and it has been added to the Index Catalogue under the symbol IC 1773.
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 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 645 is a barred spiral galaxy in the constellation Pisces. It is estimated to be 112 million light-years from the Milky Way and has a diameter of approximately 115,000 light years. The object was discovered on October 27, 1864 by astronomer Albert Marth.
NGC 656 is a barred lenticular galaxy located in the Pisces constellation about 175 million light-years from the Milky Way. It was discovered by the Prussian astronomer Heinrich d'Arrest in 1865.
NGC 861 is a spiral galaxy in the constellation Triangulum. It is estimated to be 360 million light-years from the Milky Way and has a diameter of approximately 165,000 light-years. The object was discovered on September 18, 1865 by Heinrich d'Arrest.
NGC 551 is a spiral galaxy in the constellation Andromeda. It is estimated to be about 205 million light-years from the Milky Way. The object was discovered on 21, September 1786 by the German-British astronomer William Herschel.
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