Sirius (Star)

Color-magnitude diagram
Image of Sirius
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
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From Cambridge , Sirius is difficult to observe as it will appear no higher than 10° above the horizon. It is visible in the dawn sky, rising at 04:27 (EDT) – 1 hour and 33 minutes before the Sun – and reaching an altitude of 10° above the south-eastern horizon before fading from view as dawn breaks around 05:41.

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Name Sirius
Object Type Star
Other Names
α-CMa
9-CMa
HR 2491
HD 48915
HIP 32349
Position
Constellation:Canis Major
Magnitude:-1.44 (V) [1]
B-V Color (mag):0.01
Right ascension:06h45m09s [1]
Declination:-16°42'47" [1]
Distance:2.6 parsec
8.6 lightyrs [2]
Proper motion (speed):1339.4 mas/yr [2]
Proper motion (pos ang):204.1°
Derived Quantities
Absolute mag (V):1.45

Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme