Rare halos in Czech rep. Oct. 30 and 31
At Oct.30 in Prague was observed rare halos. Stepanka Kosova had Lowitz arcs and 120 deg. parhelia (title photo). Lukas Shrbeny had nice 120 deg. parhelia too. I observed rare halos in two last days. At Oct.30 I seen: 9°, 20° halos and Parry suncave arc. At Oct.31 I seen: Parry suncave arc , upper and lower Lowitz arcs and probably circular Lowitz arc too. M.Popek and R.Manak seen 9° halos in Lunar displays.