M28 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From San Francisco , M28 is not observable – it will reach its highest point in the sky during daytime and is no higher than 8° above the horizon at dawn.
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|
Name
M28
|
Object type
Globular cluster
|
Position
| Right ascension: | 18h24m [3] |
| Declination: | −24°52' [3] |
| Constellation: | Sagittarius |
| Magnitude: | 6.90 (V) [4] |
| Distance: | 5.6 kpc 18.3 klyr [1] |
Derived quantities
| Absolute mag (V): | -6.84 |
Visibility from San Francisco
All times shown in San Francisco local time.