Under the Stars with Don

Take Don's class, "Astronomy and Stargazing" starting February 4. See the Events page for more info.

Downloads

Download a free copy of Don's book, A Decade of Comets.
(24.5 MB Word document)

Download Don's comet hunting spreadsheet.
(32k Excel document)

Photo of Don at his telescope

Welcome to TheCometHunter.com

A website devoted to the discoveries of world-renowned comet hunter, Don Machholz. Find out how Don found each of his comets, view a dizzying array of cometary photographs, and find info on upcoming astro events with Don himself.


Machholz Speaking Engagement

Catch Don's appearance at the Stockton Astronomical Society's Nineteenth Annual SAS Installation/Recognition Dinner on Thursday, January 12. Don will speak on comet hunting and the discovery of Periodic Comet Machholz 1. See the Stockton Astronomical Society website for more details.