X-Nico

Donald Machholz

Machholz is also considered to be one of the inventors of the Messier marathon, which is a race to observe all the Messier objects in a single night.

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Donald Edward Machholz, born October 7, 1952 in Portsmouth, Virginia, is an American amateur astronomer from Colfax, California.

Loma Prieta

From 1976 through 1990 amateur astronomer Donald Machholz set up his telescope an average of 120 times a year on the south slope of this mountain to search for comets.

see also