NGC6642 (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 Ashburn , NGC6642 will become visible at around 20:09 (EDT), 26° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:12.
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|
Name
NGC6642
|
Object type
Globular cluster
|
Position
| Right ascension: | 18h31m [2] |
| Declination: | -23°28' [2] |
| Constellation: | Sagittarius |
| Magnitude: | 8.90 (V) [4] 11.30 (B) [2] |
| Distance: | 8.4 kpc 27.4 klyr [1] |
| B-V Color (mag): | 1.06 |
Derived quantities
| Absolute mag (V): | -5.72 |
Visibility from Ashburn
All times shown in Ashburn local time.