M9 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , M9 is not observable – it will reach its highest point in the sky during daytime and is no higher than 2° above the horizon at dusk.
|
Name
M9
|
Object type
Globular cluster
|
Position
| Right ascension: | 17h19m [3] |
| Declination: | −18°30' [3] |
| Constellation: | Ophiuchus |
| Magnitude: | 7.80 (V) [4] 9.36 (B) [3] |
| Distance: | 7.9 kpc 25.8 klyr [1] |
| B-V Color (mag): | 0.94 |
Derived quantities
| Absolute mag (V): | -6.69 |
Sources