"In Messier's case it was known comets leading to new Messier Objects. Centuries later it was known Messier Objects leading to new comets."-Don Machholz
I once owned a 2010 Equinox, but now we are talking about motorized vehicles. Let’s get back to the sky’s equinox, which travels much...
“Why stop with our moon? Show them Jupiter and Saturn and their moons too. A multi-moon evening.” Don Machholz Podcast-93-Map-1-Evening-SkyDownload Podcast-93-Map-2-Morning-SkyDownload