Cluster

M23

M23 · NGC 6494 · MWSC 2757

Captures

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Object data

Designation: M23
Also known as: NGC 6494, MWSC 2757
Type: Cluster
Constellation: Sagittarius
RA (J2000): 17h 57m 05s
Dec (J2000): -18° 59′ 07″
Magnitude: 5.5
Apparent size: 16.8′
Catalogue: Messier
Reference: Wikipedia

Catalogue values from OpenNGC (CC-BY-SA-4.0).

Best months to observe

From 51.5°N: never climbs far above the horizon in the evening.

January: -57 degrees at 22:00
February: -51 degrees at 22:00
March: -36 degrees at 22:00
April: -18 degrees at 22:00
May: 0 degrees at 22:00
June: 13 degrees at 22:00
July: 19 degrees at 22:00
August: 16 degrees at 22:00
September: 4 degrees at 22:00
October: -12 degrees at 22:00
November: -31 degrees at 22:00
December: -48 degrees at 22:00

Your latitude

Degrees north, negative for south. Recomputed in your browser and remembered on this device.

Altitude at 22:00 local time on the 15th of each month. Twilight, moon and weather are your problem.