Episode 89

In this episode of the Observers Notebook podcast, host Tim Robertson talks to comet discoverer, Don Machholz.

Don discusses the history and how to do a Messier Marathon.

You can contact Don at:

Don’s Comet website:

http://donmachholz.com/

All Arizona Messier Marathon

https://www.facebook.com/groups/241449202936274/

For more information you can visit the ALPO web site at:

www.alpo-astronomy.org/

You can join the ALPO here:

https://store.astroleague.org/index.php?main_page=product_info&cPath=10&products_id=39

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https://www.patreon.com/ObserversNotebook

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I want to thank the Producer of this podcast, Steve Siedentop for his generous support of the Observers Notebook.