NGC6939 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 12 arcminutes across.
From South El Monte , NGC6939 is visible all night. It will become visible at around 21:18 (PDT), 29° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 04:27, 61° above your northern horizon.
|
Name
NGC6939
|
Object type
Open cluster
|
Position
| Right ascension: | 20h31m [2] |
| Declination: | +60°39' [2] |
| Constellation: | Cepheus |
| Magnitude: | 7.80 (V) [4] 8.85 (B) [2] |
| Angular dimensions: | 12.0 arcmin |
| Distance: | 1.8 kpc 5.9 klyr [1] |
| B-V Color (mag): | 1.05 |
Derived quantities
| Absolute mag (V): | -3.48 |
Sources