“In 1922 the IAU named 88 constellations; this must have been number 89.”
-Don Machholz
This is brought to you by the motions of the planets.– DON MACHHOLZ Podcast-50-Map-1Download Podcast-50-Map-2Download Podcast-50-Map-3Download
“Is it a bird, is it a plane? No kitty, that is the moon!”-Don Machholz Podcast-106-Map-1-Evening-SkyDownload Podcast-106-Map-2-Morning-SkyDownload
Penumbral lunar eclipses, the stars Betelgeuse and Castor, and the Quadrantids meteor shower. Pod-0001-Star-Map-For-January-8-2020Download Formation-and-Past-Evolution-of-the-Meteoroid-Complex-of-Comet-96P_MachholzDownload