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Published 1 year ago

EarthSky | Don Machholz, 1952-2022

Summary by Ground News
Don Machholz was one of the inventors of the Messier Marathon. He spent 8,900 hours comet hunting, during which he discovered a total of 12 comets. He was the number one living visual comet discoverer. Don continued his visual comet hunting and Messier Marathons.

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