Lunar X
Also known as: Lunar X (Lunar craters Nonius K – Aliacensis – Werner crater) Date/time: 2011.02.10 UT 16:10 Equipment: 76/900 Newtonian Magnification and filter(s): 118x Seeing: 7/10 Transparency: 3/5 Humidity: low Wind: none Location: Zákány, Hungary N46°14′ 59,2″ E16°57′ 15,3″ Observer: Bognár Tamás Description This is a famous „optical feature” …