The open cluster NGC 637
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Fairfield , NGC 637 is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible around 18:07 (EST), 66° above your northern horizon. It will be lost to dawn twilight around 06:04, 15° above your northern horizon.
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|
Name
NGC 637
|
Object Type
Open Cluster
|
Other Names
Cr 17
Position
| Constellation: | Cassiopeia |
| Magnitude: | 8.20 (V) [3] 8.56 (B) [2] |
| B-V Color (mag): | 0.36 |
| Right ascension: | 01h43m [2] |
| Declination: | +64°02' [2] |
| Distance: | 2.5 kpc 8.1 klyr [1] |
Derived Quantities
| Absolute mag (V): | -3.79 |