“M22 is one of the finest globular star clusters in the sky.”
Don Machholz
"Two globular clusters in Scorpius"Don Machholz
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
Venus dances with Neptune, the magnitude scale explained, a new faint comet and let’s look at a bright comet. Podcast 3 Star Map 1...
