Lowell Observatory posted today this copy of Percival Lowell's notes about his first look through the 24-inch Clark refracting telescope at the planet Mars in 1826. Mr. Lowell build the scope Alvin Clark for the Lowell Observatory in Flagstaff, Arizona.
https://twitter.com/LowellObs/status...472299522?s=20
Mars is now visible after midnight. Jupiter and Saturn are visible all night.
https://earthsky.org/astronomy-essen...saturn-mercury
