Posidonius speed sketch

Also known as: Posidonius crater Date/time: 2016.03.14.  16:30-16:40 UT Equipment: 235/1280 OptiScope, dobsonian mount, + Scopium SWA 15,10 ; Planetary 5mm Seeing: 8/10 Transparency: 3-4/5 Col. : 342.5° Temperature: – Humidity: – Wind: low Location: Zákány, Hungary N46°14′ 59,2” E16°57′ 15,3” Observer: Tamás Bognár Media : Wood-free drawing paper, H …