The globular cluster NGC 6558
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
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From Ashburn , NGC 6558 is not readily observable since it lies so far south that it will never rise more than 19° above the horizon.
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|
Name
NGC 6558
|
Object Type
Globular Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 8.60 (V)[2] 12.39 (B)[1] |
| B-V Color (mag): | 1.10 |
| Right Ascension: | 18h10m [1] |
| Declination: | -31°45' [1] |
| Distance: | 7.4 kpc 24.1 klyr [1] |
Derived Quantities
| Absolute Mag (V): | -5.75 |