Michael Purcell's image of globular cluster M54 in the SagDEG dwarf galaxy, taken on April 15, 1996 at 05:23 with his Meade 10-inch f/6.3 SC Telescope and a ST7 CCD camera, exposed 5 minutes.
Image of globular cluster M54, taken by Wayne Johnson with the 22-inch Kuhn telescope of the Orange County Astronomers (OCA), with the OCA CCD camera. This image was taken on 12 May 1996 at 10:45 UT, a 5-second exposure.
Tim Hunter of Tucson, Arizona took this image with the 24-inch f/5 reflector at The Grassland Observatory and Apogee AP-7 CCD camera. It is a 3-color (RVB) composite.
This b/w image, also taken by Tim Hunter, was obtained at the 3tower Observatory near Tucson with a 12-inch Meade LX-200 and Apogee KX260 CCD camera
Jan Wisniewski obtained this image of extragalactic globular cluster M54 on July 6, 1999 from Snooke, BC. He used a Cookbook 245 CCD camera on an Ultima 8 f/6.3 telescope, using "-IR" filter. This is a composite of 11 30-sec exposures, processed with Multi 245, AIP 245 and Photo Paint 8.
Martin Germano took this image of extragalactic globular cluster M54 in June, 2002 with his 14.5" f/5 Newtonian, stopped to f/6(12"). This is a 70 minutes exposure on hypered Kodak Tech Pan 2415 film.
Last Modification: February 2, 1998