NGC6811 (Open cluster)

R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.

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From South El Monte , NGC6811 is visible in the morning sky, becoming accessible around 22:00, when it reaches an altitude of 21° above your north-eastern horizon. It will then reach its highest point in the sky at 04:13, 77° above your northern horizon. It will be lost to dawn twilight around 04:32, 77° above your northern horizon.

Name NGC6811
Object type Open cluster
Other names
The Hole in a Cluster
NGC 6811[2]
Cr 402[3]
Mel 222[4]
Position
Right ascension:19h37m [2]
Declination:+46°23' [2]
Constellation:Cygnus
Magnitude:6.80 (V) [4]
7.47 (B) [2]
Angular dimensions:7.2 arcmin
Distance:1.2 kpc
4.0 klyr [1]
B-V Color (mag):0.67
Derived quantities
Absolute mag (V):-3.62

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