α-Lac (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Fairfield , α-Lac is visible all night. It will become visible at around 17:38 (EST), 78° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 18:18, 80° above your northern horizon. It will continue to be observable until around 01:59, when it sinks below 17° above your north-western horizon.
Name
α-Lac
|
Object type
Star
|
Other names
Position
Right ascension: | 22h31m17s [6] |
Declination: | +50°16'57" [6] |
Constellation: | Lacerta |
Magnitude: | 3.78 (V) [3] 3.81 (BT) [2] 3.78 (VT) [2] 3.78 (G) [6] 3.77 (BP) [6] 3.72 (RP) [6] |
Distance: | 31.8 parsec 103.5 lightyrs [6] |
B-V Color (mag): | 0.03 |
Proper motion (speed): | 138.4 mas/yr[6] |
Proper motion (pos ang): | 82.7° |
Derived quantities
Absolute mag (V): | 1.27 |
Sources