The open cluster M 39
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 19 arcminutes across.
Finder chart
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From Ashburn , M 39 will become visible at around 17:54 (EST) as the dusk sky fades, 68° above your north-western horizon. It will then sink towards the horizon, setting 10 hours and 5 minutes after the Sun at 02:48.
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|
Name
M 39
|
Object Type
Open Cluster
|
Position
| Constellation: | Cygnus |
| Magnitude: | 4.60 (V)[2] 4.66 (B)[1] |
| B-V Color (mag): | 0.06 |
| Right Ascension: | 21h31m [1] |
| Declination: | +48°26' [1] |
| Distance: | 326.0 parsec 1062.8 lightyears [1] |
Derived Quantities
| Absolute Mag (V): | -2.97 |