M12 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 11 arcminutes across.
Finder chart
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From Cambridge , M12 is not observable – it will reach its highest point in the sky during daytime and is no higher than 9° above the horizon at dusk.
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|
Name
M12
|
Object type
Globular cluster
|
Position
| Right ascension: | 16h47m [3] |
| Declination: | −01°56' [3] |
| Constellation: | Ophiuchus |
| Magnitude: | 6.10 (V) [4] 8.52 (B) [3] |
| Distance: | 4.9 kpc 16.0 klyr [1] |
| B-V Color (mag): | 2.45 |
Derived quantities
| Absolute mag (V): | -7.35 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 03 Jun 2025 | – Messier 12 is well placed |
| 03 Jun 2026 | – Messier 12 is well placed |
| 03 Jun 2027 | – Messier 12 is well placed |
| 03 Jun 2028 | – Messier 12 is well placed |
| 03 Jun 2029 | – Messier 12 is well placed |
| 03 Jun 2030 | – Messier 12 is well placed |
| 03 Jun 2031 | – Messier 12 is well placed |
| 03 Jun 2032 | – Messier 12 is well placed |