Spiral Galaxy NGC 5247 in Virgo

Spiral Galaxy NGC 5247

A 10 minute exposure with an ST-9E CCD camera thru Kopernik's 20-inch F/8.1 Ritchey Chretien Cassegrain telescope. The field of view is about 8x8 arc minutes.

Quote from Sandage and Bedke's The Carnegie Atlas Of Galaxies:

"NGC 5247 is a prime example of spiral structure of the grand design type. Two very-well-defined principal arms start as narrow luminous spiral lanes at the center and can be traced at high surface brightness for slightly more than half a revolution. A set of fainter-surface-brightness arms exist inside the main set. These also begin near the center, but are thicker and less well defined."

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George Normandin, KAS

July 29th, 2002