Thuban (Star)

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

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From Cambridge , Thuban 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 05:29, 48° above your north-eastern horizon. At dusk, it will become visible at around 17:27 (EST), 27° above your north-western horizon.

Name Thuban
Object type Star
Other names
Thuban
α-Dra
Alpha Draconis
11-Dra
11 Draconis
HR 5291[1]
HD 123299
NSV 6546
HIP 68756[5]
TYC 4174-1262-1[4]
Position
Right ascension:14h04m23s [3]
Declination:+64°22'32" [3]
Constellation:Draco
Magnitude:
Variable
3.65 (V) [3]
3.61 (BT) [2]
3.64 (VT) [2]
Distance:92.9 parsec
303.0 lightyrs [5]
B-V Color (mag):-0.03
Proper motion (speed):58.9 mas/yr[5]
Proper motion (pos ang):287.0°
Derived quantities
Absolute mag (V):-1.19

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