Alcor (Star)

Color-magnitude diagram
Image of Alcor
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Please wait
Loading 0/4
Click and drag to rotate
Mouse wheel to zoom in/out
Touch with mouse to dismiss
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom. Click to enlarge.

From Ashburn , Alcor is visible all night. It will become visible at around 21:00 (EDT) as the dusk sky fades, 50° above your north-eastern horizon. It will be lost to dawn twilight at around 05:17, 42° above your north-western horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.
Name Alcor
Object Type Star
Other Names
g-UMa
80-UMa
HR 5062
HD 116842
NSV 6238
HIP 65477
TYC 3850-1384-1
Position
Constellation:Ursa Major
Magnitude:
Variable
3.99 (V)[2]
4.20 (BT)[2]
4.01 (VT)[2]
B-V Color (mag):0.17
Right Ascension:13h25m13s [2]
Declination:+54°59'16" [2]
Distance:24.3 parsec
79.1 lightyrs [1]
Proper motion (speed):121.3 mas/yr [1]
Proper motion (pos ang):98.0°
Derived Quantities
Absolute Mag (V):2.06

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

Color scheme