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M14 (NGC 6402) is one of the brighter globular clusters and is unusual for its slightly elliptical shape. It is estimated to have an absolute luminosity 400,000 times greater than our sun. M14 is rich in variable stars is one of Charles Messier's first discoveries in 1764. M14 is one of the few globular clusters to host a nova retrospectively discovered in 1964 by Amelia Wehlau of the University of Western Ontario who surveyed photographic plates taken in 1938.