NGC7139 (Planetary nebula)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , NGC7139 is visible all night because it is circumpolar. It will be highest in the sky at 01:19, 68° above your northern horizon. At dusk, it will become visible at around 21:09 (EDT), 49° above your north-eastern horizon. It will be lost to dawn twilight at around 04:26, 55° above your north-western horizon.
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|
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] |
| Angular dimensions: | 1.3 arcmin x 1.3 arcmin |
| Distance: | 2.4 kpc 7.8 klyr [2] |
| B-V Color (mag): | -0.30 |
Derived quantities
| Absolute mag (V): | 1.40 |
Visibility from Cambridge
All times shown in Cambridge local time.