NGC6840 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From Fairfield , NGC6840 is visible in the dawn sky, rising at 00:14 (EDT) and reaching an altitude of 50° above the south-eastern horizon before fading from view as dawn breaks at around 04:57.
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Name
NGC6840
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Object type
Open cluster
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Source