Arcturus (Star)

Color-magnitude diagram
Image of Arcturus
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Ashburn (click to change), Arcturus is visible all night. It will become visible at around 20:55 (EDT) as the dusk sky fades, 55° above your south-eastern horizon. It will be lost to dawn twilight at around 05:12, 10° above your western horizon.

Name Arcturus
Object Type Star
Other Names
α-Boo
16-Boo
HR 5340
HD 124897
NSV 6603
HIP 69673
TYC 1472-1436-1
Position
Constellation:Bootes
Magnitude:
Variable
0.16 (V)[2]
1.63 (BT)[1]
0.29 (VT)[1]
B-V Color (mag):1.14
Right Ascension:14h15m40s [2]
Declination:+19°11'14" [2]
Distance:10.8 parsec
35.2 lightyears [2]
Proper motion (speed):2277.9 mas/yr [2]
Proper motion (pos ang):208.8°
Derived Quantities
Absolute Mag (V):-0.00

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme