NGC663 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC663 will become visible at around 18:36 (PST), 52° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 22:58 when it dips 21° above your north-western horizon.
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Name
NGC663
|
Object type
Open cluster
|
Position
| Right ascension: | 01h46m [2] |
| Declination: | +61°13' [2] |
| Constellation: | Cassiopeia |
| Magnitude: | 7.10 (V) [5] 7.78 (B) [2] |
| Angular dimensions: | 6.0 arcmin |
| Distance: | 2.4 kpc 7.9 klyr [1] |
| B-V Color (mag): | 0.68 |
Derived quantities
| Absolute mag (V): | -4.82 |
Sources