M55 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 12 arcminutes across.
Finder chart
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From Cambridge , M55 is not readily observable since it lies so far south that it will never rise more than 16° above the horizon.
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|
Name
M55
|
Object type
Globular cluster
|
Position
| Right ascension: | 19h39m [3] |
| Declination: | −30°57' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 6.30 (V) [4] |
| Distance: | 5.3 kpc 17.3 klyr [1] |
Derived quantities
| Absolute mag (V): | -7.32 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 17 Jul 2025 | – Messier 55 is well placed |
| 17 Jul 2026 | – Messier 55 is well placed |
| 17 Jul 2027 | – Messier 55 is well placed |
| 16 Jul 2028 | – Messier 55 is well placed |
| 17 Jul 2029 | – Messier 55 is well placed |
| 17 Jul 2030 | – Messier 55 is well placed |
| 17 Jul 2031 | – Messier 55 is well placed |
| 16 Jul 2032 | – Messier 55 is well placed |