The open cluster M 39
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 19 arcminutes across.
Finder chart
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From Seattle , M 39 is visible all night. It will become visible around 23:01 (PDT), 35° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight around 03:21, 75° above your eastern horizon.
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|
Name
M 39
|
Object Type
Open Cluster
|
Position
| Constellation: | Cygnus |
| Magnitude: | 4.60 (V) [5] 4.66 (B) [3] |
| B-V Color (mag): | 0.06 |
| Right ascension: | 21h31m [3] |
| Declination: | +48°26' [3] |
| Distance: | 326.0 parsec 1062.8 lightyrs [2] |
Derived Quantities
| Absolute mag (V): | -2.97 |
Sources
Visibility from Seattle
All times shown in Seattle local time.