NGC7139 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , NGC7139 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 17:38 (EST), 67° above your northern horizon. It will be lost to dawn twilight at around 05:36, 14° above your northern horizon.
Name
NGC7139
|
Object type
Planetary nebula
|
Position
Right ascension: | 21h46m [1] |
Declination: | +63°47' [1] |
Constellation: | Cepheus |
Magnitude: | 13.30 (V) [1] 13.00 (B) [1] |
Distance: | 2.4 kpc 7.8 klyr [2] |
B-V Color (mag): | -0.30 |
Derived quantities
Absolute mag (V): | 1.40 |
Sources