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Monday, September 27, 2021
CONTINUITY: Galileo Observed and Drew an Occultation of Θ Libræ in 1610
Ewen Whitaker 1st to notice post occultation of 4th mag star Theta Librae depicted in wash drawing F7👇inserted in #Galileo's own copy of Sidereus Nuncius enabling accurate dating of the🔭 observation~IOTA software rendering shows occultation occurred Padua 5:44:16 UT 19/Jan 1610 pic.twitter.com/KL13f6oRmU
— Lunar Heritage (@Lunarheritage) June 27, 2019
Posted at September 27, 2021 11:53