Ogma (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 , Ogma is visible in both the dusk and dawn skies. In the evening, it will become visible at around 17:23 (EST), 22° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 4 hours and 11 minutes after the Sun at 20:22 (EST). In the morning, it will rise at 02:01 – 4 hours and 55 minutes before the Sun – and reach an altitude of 29° above the north-eastern horizon before fading from view as dawn breaks at around 05:44.
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|
Name
Ogma
|
Object type
Star
|
Position
| Right ascension: | 16h30m29s [3] |
| Declination: | +38°20'51" [3] |
| Constellation: | Hercules |
| Magnitude: | 8.15 (V) [1] 8.89 (BT) [1] 8.21 (VT) [1] 8.03 (G) [3] 8.31 (BP) [3] 7.58 (RP) [3] |
| Distance: | 76.2 parsec 248.5 lightyrs [3] |
| B-V Color (mag): | 0.58 |
| Proper motion (speed): | 94.1 mas/yr[3] |
| Proper motion (pos ang): | 304.0° |
Derived quantities
| Absolute mag (V): | 3.74 |
Visibility from Cambridge
All times shown in Cambridge local time.