"It is one of the most interesting features on the moon."
-Don MachholzWhen the moon is in the umbra, it is hidden from the sundra."Don Machholz
"Look for the Seeliger effect, when the rings brighten for a few days."Don Machholz
Time spent looking at the moon is never wasted time.– DON MACHHOLZ Podcast-55-Map-1-Evening-SkyDownload Podcast-55-Map-2-Morning-SkyDownload Podcast-55-Map-3-MoonDownload