The globular cluster NGC 6642
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
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From Ashburn , NGC 6642 is visible in the dawn sky, rising at 00:48 (EDT) – 5 hours and 32 minutes before the Sun – and reaching an altitude of 27° above the southern horizon before fading from view as dawn breaks at around 05:10.
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|
Name
NGC 6642
|
Object Type
Globular Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 8.90 (V)[2] 11.30 (B)[1] |
| B-V Color (mag): | 1.06 |
| Right Ascension: | 18h31m [1] |
| Declination: | -23°28' [1] |
| Distance: | 8.4 kpc 27.4 klyr [1] |
Derived Quantities
| Absolute Mag (V): | -5.72 |