M22 as photographed by Brad Wallis and Robert Provin with their 152mm f/7.5 Astro-Physics EDF refractor.
Color film image of M22, also taken by Brad Wallis and Robert Provin. This image was exposed for 30 minutes on hypered 35mm Kodak PPF 400. 12.5 inch f/9 Ritchey-Chretien telescope.
The two Wallis/Provin images are copyrighted. They may be freely used for private purpose. Use in non-commercial public html pages requires appropriate acknowledgement. If you should consider any for-profit use, please contact Robert Provin.
Michael Purcell's image of M22, taken on April 15, 1996 at 4:49 with his Meade 10-inch f/6.3 SC Telescope and a ST7 CCD camera, exposed 5 minutes.
This b/w film image of large Globular Cluster M22 was obtained by Martin Germano with his self-made 14.5" f/5 Newtonian, exposed 70 minutes on hypered Kodak Tech Pan 2415 film.
CCD Image of the great globular cluster M22 in Sagittarius by the University of Arizona Astronomy Club.
Last Modification: 26 Jun 1999, 10:30 MET