NGC637 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , NGC637 is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 03:55, 32° above your north-eastern horizon. At dusk, it will become visible at around 21:24 (EDT), 17° above your northern horizon.
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|
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] |
| Angular dimensions: | 4.5 arcmin |
| Distance: | 2.5 kpc 8.1 klyr [1] |
| B-V Color (mag): | 0.36 |
Derived quantities
| Absolute mag (V): | -3.79 |
Visibility from Cambridge
All times shown in Cambridge local time.