The open cluster NGC 6645
Red-band image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
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From Ashburn , NGC 6645 is visible in the dawn sky, rising at 00:23 (EDT) – 5 hours and 57 minutes before the Sun – and reaching an altitude of 33° above the southern horizon before fading from view as dawn breaks at around 05:10.
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|
Name
NGC 6645
|
Object Type
Open Cluster
|
Position
| Constellation: | Sagittarius |
| Magnitude: | 8.50 (V)[2] |
| Right Ascension: | 18h32m [1] |
| Declination: | -16°53' [1] |
| Distance: | 1.2 kpc 4.1 klyr [1] |
Derived Quantities
| Absolute Mag (V): | -1.98 |