NGC637 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC637 will become visible at around 18:31 (PST), 52° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:30 when it dips 21° above your north-western 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] |
| 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 |
Sources