Alphecca (Star)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.

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From Fairfield , Alphecca is visible in both the dusk and dawn skies. In the evening, it will become visible at around 17:24 (EST), 16° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 43 minutes after the Sun at 19:11 (EST). In the morning, it will rise at 03:34 – 3 hours and 11 minutes before the Sun – and reach an altitude of 21° above the eastern horizon before fading from view as dawn breaks at around 05:50.

Name Alphecca
Object type Star
Other names
Alphecca
α-CrB
Alpha Coronae Borealis
5-CrB
5 Coronae Borealis
HR 5793[1]
HD 139006
HIP 76267[5]
TYC 2029-1690-1[4]
Gaia EDR3- 1222646935698492160[6]
Position
Right ascension:15h34m41s [6]
Declination:+26°42'51" [6]
Constellation:Corona Borealis
Magnitude:
Variable
2.22 (V) [3]
2.25 (BT) [2]
2.22 (VT) [2]
2.27 (G) [6]
2.94 (BP) [6]
2.41 (RP) [6]
Distance:23.7 parsec
77.2 lightyrs [6]
B-V Color (mag):0.03
Proper motion (speed):147.8 mas/yr[6]
Proper motion (pos ang):126.4°
Derived quantities
Absolute mag (V):0.35

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