Algol (Star)

Color-magnitude diagram
Image of Algol
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From San Diego , Algol is visible in the evening sky, becoming accessible around 17:30 (PST), 37° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 21:52, 81° above your northern horizon. It will continue to be observable until around 04:32, when it sinks below 14° above your north-western horizon.

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Name Algol
Object type Star
Other names
Algol
β-Per
Beta Persei
26-Per
26 Persei
HR 936[1]
HD 19356
HIP 14576[5]
TYC 2851-2168-1[4]
Position
Constellation:Perseus
Magnitude:
Variable
2.11 (V) [3]
2.10 (BT) [2]
2.10 (VT) [2]
B-V Color (mag):-0.01
Right ascension:03h08m10s [3]
Declination:+40°57'20" [3]
Distance:27.6 parsec
89.9 lightyrs [5]
Proper motion (speed):3.4 mas/yr [5]
Proper motion (pos ang):119.0°
Derived quantities
Absolute mag (V):-0.09
Visibility from San Diego

All times shown in San Diego local time.

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San Diego

Latitude:
Longitude:
Timezone:

32.72°N
117.16°W
PST

Color scheme