Altair (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , Altair will become visible at around 17:08 (EST), 51° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:05.
Name
Altair
|
Object type
Star
|
Other names
Position
Right ascension: | 19h50m46s [3] |
Declination: | +08°52'02" [3] |
Constellation: | Aquila |
Magnitude: | 0.93 (V) [3] 1.25 (BT) [2] 0.95 (VT) [2] |
Distance: | 5.1 parsec 16.7 lightyrs [5] |
B-V Color (mag): | 0.27 |
Proper motion (speed): | 660.3 mas/yr[5] |
Proper motion (pos ang): | 54.3° |
Derived quantities
Absolute mag (V): | 2.38 |
Sources