NGC6645 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Cambridge , NGC6645 is visible in the dawn sky, rising at 01:37 (EDT) and reaching an altitude of 27° above the southern horizon before fading from view as dawn breaks at around 05:16.
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Name
NGC6645
|
Object type
Open cluster
|
Position
| Right ascension: | 18h32m [2] |
| Declination: | −16°53' [2] |
| Constellation: | Sagittarius |
| Magnitude: | 8.50 (V) [4] |
| Distance: | 1.2 kpc 4.1 klyr [1] |
Derived quantities
| Absolute mag (V): | -1.98 |
Sources