Alioth (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , Alioth is visible all night because it is circumpolar. It will be highest in the sky shortly before dawn, when it will be lost to twilight at around 05:49, 60° above your north-eastern horizon. At dusk, it will become visible at around 17:08 (EST), 17° above your north-western horizon.
Name
Alioth
|
Object type
Star
|
Other names
Position
Right ascension: | 12h54m01s [3] |
Declination: | +55°57'35" [3] |
Constellation: | Ursa Major |
Magnitude: Variable | 1.76 (V) [3] 1.81 (BT) [2] 1.76 (VT) [2] |
Distance: | 25.3 parsec 82.5 lightyrs [5] |
B-V Color (mag): | 0.04 |
Proper motion (speed): | 112.2 mas/yr[5] |
Proper motion (pos ang): | 94.2° |
Derived quantities
Absolute mag (V): | -0.26 |
Sources