"Look for the Seeliger effect, when the rings brighten for a few days."
Don MachholzAmateur astronomers from around the world working around the clock to confirm a comet. It doesn’t get better than that.– DON MACHHOLZ Podcast-61-Map-1-Evening-SkyDownload Podcast-61-Map-2-Morning-SkyDownload...
“The moon could fit inside the earth’s shadow if it wanted to.”Don Machholz Podcast-97-Map-1-Evening-SkyDownload Podcast-97-Map-2-Morning-SkyDownload Podcast-97-Map-3-Lunar-EclipseDownload
Podcast-6-Star-Map-1Download Podcast-6-Star-Map-2Download Podcast-6-Star-Map-3-MM-2Download