V820-Her (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , V820-Her is visible in the dawn sky, rising at 22:34 (EDT) and reaching an altitude of 66° above the south-eastern horizon before fading from view as dawn breaks at around 05:13.
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Name
V820-Her
|
Object type
Star
|
Position
| Right ascension: | 18h02m23s [2] |
| Declination: | +20°50'01" [2] |
| Constellation: | Hercules |
| Magnitude: Variable | 5.24 (V) [2] 5.12 (BT) [2] 5.23 (VT) [2] |
| Distance: | 288.2 parsec 939.5 lightyrs [3] |
| B-V Color (mag): | -0.10 |
| Proper motion (speed): | 7.4 mas/yr[3] |
| Proper motion (pos ang): | 198.0° |
Derived quantities
| Absolute mag (V): | -2.06 |
Sources