NGC6639 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC6639 will become visible at around 19:00 (PDT), 32° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 22:07.
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Name
NGC6639
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Object type
Open cluster
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Position
| Right ascension: | 18h30m [2] |
| Declination: | −13°09' [2] |
| Constellation: | Scutum |
| Distance: | 700.0 parsec 2282.0 lightyrs [1] |
Sources