donmachholz.com - Don Machholz – visual comet discoverer

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Aug 8, 2022 • 00:24:55

“Look for the Seeliger effect, when the rings brighten for a few days.” Don MachholzListen Now

Aug 1, 2022 • 00:23:53

Links to donmachholz.com (1)

• sjastronomy.ca The Saint John Astronomy Club--Bringing Astronomy to Southern New Brunswick, Canada.