The open cluster M 39

From Cambridge , M 39 is visible in the dawn sky, becoming accessible around 02:55 (EST), when it reaches an altitude of 19° above your north-eastern horizon. It will then reach an altitude of 36° before fading from view as dawn breaks at 05:05.
Name
M 39
|
Object Type
Open Cluster
|
Constellation: | Cygnus |
Magnitude: | 4.60 (V) [3] 4.66 (B) [2] |
B-V Color (mag): | 0.06 |
Right ascension: | 21h31m [2] |
Declination: | +48°26' [2] |
Distance: | 326.0 parsec 1062.8 lightyrs [1] |
Absolute mag (V): | -2.97 |
All times shown in Cambridge local time.