30-Com (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 , 30-Com is visible all night. It will become visible at around 20:19 (EDT), 34° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:50, 75° above your southern horizon. It will be lost to dawn twilight at around 05:14, 35° above your western horizon.
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|
Name
30-Com
|
Object type
Star
|
Other names
Position
| Right ascension: | 12h49m17s [4] |
| Declination: | +27°33'08" [4] |
| Constellation: | Coma Berenices |
| Magnitude: | 5.75 (V) [2] 5.81 (BT) [2] 5.76 (VT) [2] 5.75 (G) [4] 5.76 (BP) [4] 5.70 (RP) [4] |
| Distance: | 84.3 parsec 274.8 lightyrs [4] |
| B-V Color (mag): | 0.05 |
| Proper motion (speed): | 96.3 mas/yr[4] |
| Proper motion (pos ang): | 283.0° |
Derived quantities
| Absolute mag (V): | 1.12 |
Visibility from Cambridge
All times shown in Cambridge local time.