21-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From South El Monte , 21-Sgr is visible in the evening sky, becoming accessible around 20:58 (PDT), 31° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 22:30, 35° above your southern horizon. It will continue to be observable until around 01:36, when it sinks below 19° above your south-western horizon.
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Name
21-Sgr
|
Object type
Star
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Position
| Right ascension: | 18h25m21s [3] |
| Declination: | −20°32'29" [3] |
| Constellation: | Sagittarius |
| Magnitude: | 4.86 (V) [3] 6.61 (BT) [2] 5.01 (VT) [2] |
| Distance: | 125.8 parsec 410.1 lightyrs [4] |
| B-V Color (mag): | 1.34 |
| Proper motion (speed): | 29.3 mas/yr[4] |
| Proper motion (pos ang): | 163.2° |
Derived quantities
| Absolute mag (V): | -0.64 |
Sources