Alderamin (Star)

Color-magnitude diagram
Image of Alderamin
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Ashburn , Alderamin is visible all night because it is circumpolar. It will be highest in the sky at 04:16, 66° above your northern horizon. At dusk, it will become visible at around 21:44 (EDT), 30° above your north-eastern horizon. It will be lost to dawn twilight at around 04:37, 66° above your northern horizon.

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Name Alderamin
Object type Star
Other names
Alderamin
α-Cep
Alpha Cephei
5-Cep
5 Cephei
HR 8162[1]
HD 203280
NSV 13660
HIP 105199[5]
TYC 4252-1870-1[4]
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
Visibility from Ashburn

All times shown in Ashburn local time.

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Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme