Betelgeuse (Star)
Color-magnitude diagram
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
Finder chart
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From Cambridge , Betelgeuse will become visible at around 19:42 (EDT), 48° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:35.
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|
Name
Betelgeuse
|
Object type
Star
|
Other names
Position
| Right ascension: | 05h55m10s [3] |
| Declination: | +07°24'25" [3] |
| Constellation: | Orion |
| Magnitude: Variable | 0.57 (V) [3] 2.85 (BT) [2] 0.77 (VT) [2] |
| Distance: | 152.7 parsec 497.7 lightyrs [5] |
| B-V Color (mag): | 1.74 |
| Proper motion (speed): | 29.8 mas/yr[5] |
| Proper motion (pos ang): | 67.7° |
Derived quantities
| Absolute mag (V): | -5.35 |
Visibility from Cambridge
All times shown in Cambridge local time.