NGC 7139

NGC 7139
Emission nebula
Planetary nebula
NGC7139 Zoom
NGC 7139
Observation data: J2000 epoch
Right ascension21h 46m 08.586s[1]
Declination+63° 47′ 29.45″[1]
Apparent magnitude (V)13[2]
ConstellationCepheus[2]
See also: Lists of nebulae

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

  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.