30-Sgr (Star)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 30 arcminutes across.
From Cambridge , 30-Sgr is not observable – it will reach its highest point in the sky during daytime and is no higher than 13° above the horizon at dusk.
Name
30-Sgr
|
Object type
Star
|
Other names
Position
Right ascension: | 18h50m50s [4] |
Declination: | −22°09'44" [4] |
Constellation: | Sagittarius |
Magnitude: | 6.29 (V) [2] 6.73 (BT) [2] 6.32 (VT) [2] 6.21 (G) [4] 6.39 (BP) [4] 5.86 (RP) [4] |
Distance: | 67.0 parsec 218.4 lightyrs [4] |
B-V Color (mag): | 0.34 |
Proper motion (speed): | 38.5 mas/yr[4] |
Proper motion (pos ang): | 207.6° |
Derived quantities
Absolute mag (V): | 2.16 |
Sources