Alfirk (Star)
From Cambridge , Alfirk is visible all night because it is circumpolar. It will be highest in the sky at dusk, becoming accessible at around 17:21 (EST), 60° above your northern horizon. It will be lost to dawn twilight at around 05:43, 23° above your northern horizon.
Name
Alfirk
|
Object type
Star
|
Right ascension: | 21h28m39s [6] |
Declination: | +70°33'38" [6] |
Constellation: | Cepheus |
Magnitude: Variable | 3.23 (V) [3] 2.96 (BT) [2] 3.19 (VT) [2] 3.19 (G) [6] 3.16 (BP) [6] 3.38 (RP) [6] |
Distance: | 210.1 parsec 684.9 lightyrs [5] |
B-V Color (mag): | -0.21 |
Proper motion (speed): | 15.1 mas/yr[5] |
Proper motion (pos ang): | 56.2° |
Absolute mag (V): | -3.38 |
All times shown in Cambridge local time.