21-Oph (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 South El Monte , 21-Oph will become visible at around 19:06 (PDT), 29° above your western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 29 minutes after the Sun at 21:35.
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|
Name
21-Oph
|
Object type
Star
|
Position
| Right ascension: | 16h51m24s [2] |
| Declination: | +01°12'57" [2] |
| Constellation: | Ophiuchus |
| Magnitude: | 5.52 (V) [2] 5.58 (BT) [2] 5.52 (VT) [2] |
| Distance: | 116.1 parsec 378.6 lightyrs [3] |
| B-V Color (mag): | 0.05 |
| Proper motion (speed): | 22.4 mas/yr[3] |
| Proper motion (pos ang): | 231.4° |
Derived quantities
| Absolute mag (V): | 0.19 |
Visibility from South El Monte
All times shown in South El Monte local time.