M23 was discovered by Charles Messier in July 1764. This cluster is located in an area of the sky filled with a myriad of stars in the Milky Way. As a result, the cluster does not stand out well from the innumerable background stars, even though the brightest members of the cluster are hot B-type stars many times brighter than our sun would be at the same distance. In a small telescope, this object appears as a knot of about a dozen magnitude 8 and magnitude 9 stars.
This is an RGB color composite CCD image taken with a Takahashi FCT-150 using an ST-8XE. This image was taken from my backyard in Scottsdale, Arizona.
M29 (NGC 6913)
RA: 20h 24m 11s Dec: +38d 30' 43"
March 26, 2006
Image by Sid Leach
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