Alderamin (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , Alderamin will become visible at around 17:36 (PST), 56° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 00:22 when it dips 14° above your northern horizon.
|
Name
Alderamin
|
Object type
Star
|
Other names
Position
| Right ascension: | 21h18m34s [3] |
| Declination: | +62°35'07" [3] |
| Constellation: | Cepheus |
| Magnitude: Variable | 2.47 (V) [3] 2.76 (BT) [2] 2.49 (VT) [2] |
| Distance: | 15.0 parsec 49.0 lightyrs [5] |
| B-V Color (mag): | 0.25 |
| Proper motion (speed): | 158.4 mas/yr[5] |
| Proper motion (pos ang): | 71.9° |
Derived quantities
| Absolute mag (V): | 1.58 |
Sources