NGC 7139

Right ascension21^h 46^m 08.586^s[1]

Declination+63° 47′ 29.45″^[1]

Apparent magnitude (V)13^[2]

ConstellationCepheus^[2]

NGC 7139

Emission nebula
Planetary nebula
NGC 7139
Observation data: J2000 epoch
Right ascension	21h 46m 08.586s[1]
Declination	+63° 47′ 29.45″[1]
Apparent magnitude (V)	13[2]
Constellation	Cepheus[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]