From the National Optical Astronomical Observatories
M22 (NGC 6656), a globular cluster in the constellation Sagittarius is a conspicuous naked eye object. It is the brightest globular cluster visible from the northern hemisphere and was the first known object of its type having been observed by A. Ihle in 1665. About 10000 light years from us, M22 is about 65 light years across. This color picture was made from CCD images taken in June 1995 at the Burrell Schmidt telescope of the Warner and Swasey Observatory of the Case Western Reserve University, located on Kitt Peak in southwestern Arizona
Image Title: The Globular Cluster M22
Credit: N.A.Sharp, REU program/AURA/NOAO/NSFF
The text is based on accompanying on-line materials.
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Last Modified On: Sunday, December 17, 2000