M39 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 19 arcminutes across.
Finder chart
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From South El Monte , M39 is visible in the dawn sky, rising at 00:46 (PDT) and reaching an altitude of 39° above the north-eastern horizon before fading from view as dawn breaks at around 05:47.
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|
Name
M39
|
Object type
Open cluster
|
Position
| Right ascension: | 21h31m [3] |
| Declination: | +48°26' [3] |
| Constellation: | Cygnus |
| Magnitude: | 4.60 (V) [5] 4.66 (B) [3] |
| Angular dimensions: | 19.5 arcmin |
| Distance: | 326.0 parsec 1062.8 lightyrs [2] |
| B-V Color (mag): | 0.06 |
Derived quantities
| Absolute mag (V): | -2.97 |
Sources
Visibility from South El Monte
All times shown in South El Monte local time.