NGC 781 is a spiral galaxy in the constellation Aries. It is estimated to be about 154 million light years from the Milky Way[3] and has a diameter of approximately 70,000 light years. NGC 781 was discovered on October 16, 1784 by the German-British astronomer William Herschel.[4][5]

NGC 781 (SDSS DR14)

See also

References

  1. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051.
  2. ^ a b c d "NGC 781". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
  3. ^ a b c "Results for object NGC 0781 (NGC 781)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
  4. ^ Ford, Dominic. "The galaxy NGC 781 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-24.
  5. ^ "Revised NGC Data for NGC 781". spider.seds.org. Retrieved 2020-03-24.
  • Media related to NGC 781 at Wikimedia Commons


Allikas: https://en.wikipedia.org/wiki/NGC_781
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