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 South El Monte , NGC7139 is visible in the dawn sky, becoming accessible around 03:34 (PST), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 32° before fading from view as dawn breaks at 05:18.
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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 South El Monte
All times shown in South El Monte local time.