Cluster

Butterfly Cluster

M6 · NGC 6405 · MWSC 2661

Captures

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Object data

Name: Butterfly Cluster
Designation: M6
Also known as: NGC 6405, MWSC 2661
Type: Cluster
Constellation: Scorpius
RA (J2000): 17h 40m 21s
Dec (J2000): -32° 15′ 15″
Magnitude: 4.2
Apparent size: 15.6′
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: -71 degrees at 22:00
February: -60 degrees at 22:00
March: -44 degrees at 22:00
April: -25 degrees at 22:00
May: -9 degrees at 22:00
June: 2 degrees at 22:00
July: 6 degrees at 22:00
August: 2 degrees at 22:00
September: -9 degrees at 22:00
October: -25 degrees at 22:00
November: -43 degrees at 22:00
December: -61 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.