NGC 7139 is a planetary nebula located in the constellation of Cepheus. It was discovered on November 5, 1787, by astronomer William Herschel.[2]

See also

References

  1. ^ a b "SIMBAD Astronomical Database". Results for NGC 7139. Retrieved January 1, 2018.
  2. ^ a b c "Courtney Seligman". NGC 7100-7149. Retrieved January 1, 2018.
  • Media related to NGC 7139 at Wikimedia Commons


Allikas: https://en.wikipedia.org/wiki/NGC_7139
No tags for this post.