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Observatory Parameters
Jan 21
Lat. 39.0, Lon. -77.5
Clouds: Seeing:
Waxing Crescent
10:02 21:49

Open Cluster King 21 Open Cluster in Cassiopeia Constellation

Size: 2.5' Magnitude: 9.8

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Telescope Simulator

Check how Open Cluster King 21 would look like through your camera, eyepiece or binoculars.

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Hourly Elevation Jan 21

Open Cluster King 21 as seen from Lat. 39.0, Lon. -77.5
Maximum Elevation º at hrs.
Rise: hrs.   Set: hrs.

Monthly Elevation

Best period for observing Open Cluster King 21 at hours

Data Sheet

20.4
23h 49m 54s
62º 43' 00''
N/A
III 3 m -
N/A
Last visited objects: King 21

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“The history of astronomy is a history of receding horizons.” Edwin Hubble, 1936
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