NGC637 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , NGC637 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 20:37 (EDT), 27° above your north-western horizon. It will be lost to dawn twilight at around 04:48, 26° above your north-eastern horizon.
Name
NGC637
|
Object type
Open cluster
|
Position
Right ascension: | 01h43m [2] |
Declination: | +64°02' [2] |
Constellation: | Cassiopeia |
Magnitude: | 8.20 (V) [3] 8.56 (B) [2] |
Distance: | 2.5 kpc 8.1 klyr [1] |
B-V Color (mag): | 0.36 |
Derived quantities
Absolute mag (V): | -3.79 |
Sources