Alkaid (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Cambridge , Alkaid is visible all night. It will become visible at around 20:44 (EDT), 60° above your north-eastern horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 04:35, 39° above your north-western horizon.

Name Alkaid
Object type Star
Other names
Alkaid
η-UMa
Eta Ursae Majoris
85-UMa
85 Ursae Majoris
HR 5191[1]
HD 120315
NSV 6450
HIP 67301[5]
TYC 3467-1257-1[4]
Position
Right ascension:13h47m32s [3]
Declination:+49°18'47" [3]
Constellation:Ursa Major
Magnitude:
Variable
1.86 (V) [3]
1.73 (BT) [2]
1.84 (VT) [2]
Distance:31.9 parsec
103.9 lightyrs [5]
B-V Color (mag):-0.10
Proper motion (speed):122.1 mas/yr[5]
Proper motion (pos ang):263.0°
Derived quantities
Absolute mag (V):-0.66

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