M9 = NGC6333 ( 17h 19.2m -18°31´, 7.9 mag. )
This smallest of Ophiuchus globular clusters was found by Messier on May 28, 1764. Measuring about 60 ly across, it is located 22,500 ly away and close to Milky Way's center in the area containing dense dust clouds. Binoculars will reveal it as a fuzzy spot abot 3°30' SE of h Ophiuchi (see finder chart below).
The above image was taken on April 23, 1999 from Sooke, BC. Cookbook 245 LDC CCD camera was used on Ultima 8 f6.3 telescope autoguided with Cookbook 211 LDC CCD camera on piggybacked 500mm f8 telephoto lens. This image is composed of white integrations (11 x 2 min.) processed with AIP4WIN.
North is to the right.
Map created in Guide 7.0 - 7°45' x 7°45'. North is up.
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© Jan Wisniewski