Thuban (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Seattle , Thuban is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible around 20:25 (PDT), 46° above your north-western horizon. It will be lost to dawn twilight around 05:41, 25° above your northern 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
Thuban
|
Object Type
Star
|
Position
| Constellation: | Draco |
| Magnitude: Variable | 3.65 (V) [3] 3.61 (BT) [2] 3.64 (VT) [2] |
| B-V Color (mag): | -0.03 |
| Right ascension: | 14h04m23s [3] |
| Declination: | +64°22'32" [3] |
| Distance: | 92.9 parsec 303.0 lightyrs [5] |
| Proper motion (speed): | 58.9 mas/yr [5] |
| Proper motion (pos ang): | 287.0° |
Derived Quantities
| Absolute mag (V): | -1.19 |
Visibility from Seattle
All times shown in Seattle local time.