NGC6840 (Open cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
From South El Monte , NGC6840 is visible in the morning sky, becoming accessible around 22:21, when it reaches an altitude of 21° above your eastern horizon. It will then reach its highest point in the sky at 03:07, 68° above your southern horizon. It will be lost to dawn twilight around 04:26, 61° above your south-western horizon.
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Name
NGC6840
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Object type
Open cluster
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Source