Optics of the Atmosphere

News and updates

Last update of the gallery (Czech version):	16. August 2020
Last update of the gallery (English version):	16. August 2020
Latest uploaded image:	18. December 2024 at 19:45 CET (UTC+1)
Latest Halo alert reported by Czech observers:	22. October 2024 at 05:38 CET (UTC+1)
Latest NLC alert sent by Czech observers:	8. July 2024 at 22:31 CET (UTC+1)
Latest Aurora alert sent by Czech observers::	10. October 2024 at 19:53 CET (UTC+1)

Latest updates: NLC monitor, Image archive, new articles (in Czech only): 5. 2., 3. 1., 2. 11., 24. 7., 1. 5., NLC alerts, NLC observations, wallpapers, live webcams, image archives of 46 deg halo, 120 deg parhelia, rainbow, glory, Wegener arc, sun pillar, circumzenith arc.