Alioth (Star)

Color-magnitude diagram
Image of Alioth
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Cambridge , Alioth is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible around 20:20 (EDT), 42° above your north-western horizon. It will be lost to dawn twilight around 05:12, 10° above your northern horizon.

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Name Alioth
Object Type Star
Other Names
ε-UMa
77-UMa
HR 4905
HD 112185
HIP 62956
TYC 3845-1190-1
Position
Constellation:Ursa Major
Magnitude:
Variable
1.76 (V) [2]
1.81 (BT) [1]
1.76 (VT) [1]
B-V Color (mag):0.04
Right ascension:12h54m01s [2]
Declination:+55°57'35" [2]
Distance:25.3 parsec
82.5 lightyrs [3]
Proper motion (speed):112.2 mas/yr [3]
Proper motion (pos ang):94.2°
Derived Quantities
Absolute mag (V):-0.26

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme