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Weather for Jul 27 Night
Clouds Seeing
Waxing Crescent
10:42 23:17

Open Cluster M 21 Open Cluster in Sagittarius Constellation

Size: 16' Magnitude: 5.9 Also known as NGC 6531, ESO 521-SC19, OCL 26
Uploaded by TWFowler
Uploaded by TWFowler
Uploaded by AL78
Uploaded by Jim Lindelien NV, United States
Uploaded by Guitou
Uploaded by Diego_Colonnello

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Telescope Simulator

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

This tool was designed to check framing, not visual magnitude. Objects will look dimmer on your eyepiece and binoculars.

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Hourly Elevation Jul 27

Maximum elevation of Open Cluster M 21 occurs at 22:50 hours

Monthly Elevation

Best period for observing Open Cluster M 21 at hours

Mid August

Data Sheet

18h 04m 13s
-22º 30' 00''
Last visited objects: M 21