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Yesterday’s stormy weather over eastern Slovakia and Ukraine (14/15 July 2024) was pretty active. While observing north from Terňa city to east direction, two types of lightning appeared. Over distant Veľký Slivník (on right), just developing Cumulonimbus cloud produced one of its first cloud-ground lightning. This cloud was about 70 km away and very well…
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Severe stormy weather over central Europe brings one of the most spectacular but also mysterious phenomena: The Red Sprites. Firstly observed in 1989, they became a target for many specialized photographers and videographers to improve their understanding of them. So far we know now is the fact, the fragments-of-seconds flashes are counter-discharge of CG+ lightning…
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These days we can enjoy another comet just with a small telescope in our hand. Its name is 13P/Olbers, discovered by famous astronomer Heinrich Wilhelm Olbers (1758-1840) on March 1815. Comet’s orbital period is now around 70 years which makes it visible for most of us only once in our lives. Coincidentally, with another brighter…
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The Noctilucent Clouds (NLC) season 2024 is underway on the north of Earth. Caused by dust particles (containing meteor dust) and ice high in the mesosphere, they become visible only at dusk and dawn when scattering light of our sun located 6-16 degrees below the horizon. Yesterday, on 23 June 2024, I enjoyed this epic…
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Despite the high solar activity, which causes less visible Noctilucent Clouds than in other years, a beautiful ones appeared in the Czech Republic on 13 June 2024. I was lucky to see them through partially cloudy sky over the Seč Lake just during the dusk. Used Canon Ra, Sigma 50mm, f1.4, ISO 1600 (single shots…
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Yesterday night (YES, yesterday, May 17th, 2024, not a week ago!), another aurora surprise occurred in the Czech sky. It’s not as bright as the previous Friday so far, but still a beautiful display at least for a while around local midnight. The Moon made this aurora less visible to the naked eyes (the photograph…
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On May 10-11, 2024, an Aurora Borealis appeared even over the Czech Republic, central Europe. It was most likely the brightest Aurora Borealis since 20th November 2003! For this time-lapse, taken from Záhořice (50.08N, 13.20E) in a period between 20:33-21:23 CET I used Canon 6D (modified), Samyang 12mm, f2.8, ISO 2000, and 6s exposures. What…
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