NGC6645 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC6645 is visible in the evening sky, becoming accessible around 21:15 (PDT), 25° above your south-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 00:04, 39° above your southern horizon. It will continue to be observable until around 03:13, when it sinks below 21° above your south-western horizon.
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Name
NGC6645
|
Object type
Open cluster
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Position
| Right ascension: | 18h32m [2] |
| Declination: | −16°53' [2] |
| Constellation: | Sagittarius |
| Magnitude: | 8.50 (V) [4] |
| Angular dimensions: | 5.4 arcmin |
| Distance: | 1.2 kpc 4.1 klyr [1] |
Derived quantities
| Absolute mag (V): | -1.98 |
Sources