NGC 7139 is a planetary nebula located in the constellation of Cepheus. It was discovered on November 5, 1787 by astronomer William Herschel.[2]
Emission nebula | |
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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 |
New General Catalogue 7000 to 7499 | |
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Constellation of Cepheus | |||||||||||||
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Galaxies |
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