α-Lac (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Seattle , α-Lac is visible in both the dusk and dawn skies. In the evening, it will become visible around 18:10 (PST), 55° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 23:12 when it dips 17° above your north-western horizon. At 06:06, it will return to an altitude of 17° above your north-eastern horizon, and reach an altitude of 19° before fading from view as dawn breaks around 06:28.
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|
Name
α-Lac
|
Object type
Star
|
Other names
Position
| Constellation: | Lacerta |
| Magnitude: | 3.78 (V) [3] 3.81 (BT) [2] 3.78 (VT) [2] 3.68 (G) [6] 3.80 (BP) [6] 3.75 (RP) [6] |
| B-V Color (mag): | 0.03 |
| Right ascension: | 22h31m17s [6] |
| Declination: | +50°16'57" [6] |
| Distance: | 30.8 parsec 100.5 lightyrs [6] |
| Proper motion (speed): | 139.8 mas/yr [6] |
| Proper motion (pos ang): | 82.9° |
Derived quantities
| Absolute mag (V): | 1.34 |
Visibility from Seattle
All times shown in Seattle local time.