Mirfak (Star)

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

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From Cambridge , Mirfak will become visible at around 20:41 (EDT), 19° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, becoming tricky to observe after 21:40 when it dips 13° above your north-western horizon.

Name Mirfak
Object type Star
Other names
Mirfak
α-Per
Alpha Persei
33-Per
33 Persei
HR 1017[1]
HD 20902
NSV 1125
HIP 15863[5]
TYC 3320-2808-1[4]
Position
Right ascension:03h24m19s [3]
Declination:+49°51'40" [3]
Constellation:Perseus
Magnitude:
Variable
1.81 (V) [3]
2.42 (BT) [2]
1.87 (VT) [2]
Distance:155.3 parsec
506.2 lightyrs [5]
B-V Color (mag):0.51
Proper motion (speed):35.4 mas/yr[5]
Proper motion (pos ang):137.8°
Derived quantities
Absolute mag (V):-4.15

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