Bill Keel's image of globular cluster Messier 30, shown from a 15-second V-band exposure with a Tektronix 2048x2048 CCD at the prime focus of the 4-meter Mayall telescope of Kitt Peak National Observatory. North is at the top and east to the left, for direct comparison with a chart or eyepiece view. A 512x512-pixel region is shown in this presentation, which uses a logarithmic intensity transformation to preserve information across a wide dynamic range. The field shown is 3.6 arcminutes square.

More images from Bill Keel's collection

CCD color image of globular cluster M30 in Capricornus, taken in July 1997 at the Kitt Peak 0.9-meter telescope during the Research Experiences for Undergraduates (REU) program at Kitt Peak National Observatory.
Credit: REU program/NOAO/AURA/NSF

Amateur images of M30

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Hartmut Frommert
Christine Kronberg
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Last Modification: July 9, 2002