Alnilam (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 , Alnilam is difficult to observe as it will appear no higher than 15° above the horizon. It will become visible at around 20:29 (EDT), 15° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 2 hours and 20 minutes after the Sun at 21:58.
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|
Name
Alnilam
|
Object type
Star
|
Other names
Position
| Right ascension: | 05h36m12s [3] |
| Declination: | -01°12'06" [3] |
| Constellation: | Orion |
| Magnitude: Variable | 1.72 (V) [3] 1.55 (BT) [2] 1.69 (VT) [2] |
| Distance: | 606.1 parsec 1975.8 lightyrs [5] |
| B-V Color (mag): | -0.12 |
| Proper motion (speed): | 1.6 mas/yr[5] |
| Proper motion (pos ang): | 118.4° |
Derived quantities
| Absolute mag (V): | -7.19 |
Visibility from Cambridge
All times shown in Cambridge local time.