Third Thursday Virtual Planetarium Show – 2021 Mar 18 Posted by admin on March 17, 2021 Posted in: Brian's Presentations, Public Outreach, Third Thursday Planetarium Shows. Tagged: beginning astronomy, equinox. Skymaps.com – Donation-supported maps of the night sky for each monthStellarium – Donation-supported, open-source night sky simulatorClear Sky Chart – Weather predictions of stargazing conditionsAstronomy demos