Altair (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 Fairfield , Altair is visible all night. It will become visible around 21:01 (EDT), 34° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:27, 57° above your southern horizon. It will be lost to dawn twilight around 04:57, 23° above your 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
Altair
|
Object Type
Star
|
Position
| Constellation: | Aquila |
| Magnitude: | 0.93 (V) [3] 1.25 (BT) [2] 0.95 (VT) [2] |
| B-V Color (mag): | 0.27 |
| Right ascension: | 19h50m46s [3] |
| Declination: | +08°52'02" [3] |
| Distance: | 5.1 parsec 16.7 lightyrs [5] |
| Proper motion (speed): | 660.3 mas/yr [5] |
| Proper motion (pos ang): | 54.3° |
Derived Quantities
| Absolute mag (V): | 2.38 |
Visibility from Fairfield
All times shown in Fairfield local time.