March 21 – 27, 2025
Solar activity forecast for the period March 21 – 27, 2025 Issued: 2025 Mar 20 2100 UTC Activity level from…
My journal
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Čo vieš o hviezdach? 2025
Slovenská ústredná hvezdáreň v Hurbanove je hlavným organizátorom 35. ročníka vedomostnej súťaže „Čo vieš o hviezdach?“. Súťaž finančne podporuje Ministerstvo kultúry…
Deň hvezdární a planetárií 2025
Pozvánka pre záujemcov o poznávanie vesmíru Obdobie na konci marca na Slovensku a v okolitých európskych štátoch zvykne patriť verejnej…
March 14 – 20, 2025
Solar activity forecast for the period March 14 – 20, 2025 Issued: 2025 Mar 13 2100 UTC Activity level from…
March 7 – 13, 2025
Solar activity forecast for the period March 7 – 13, 2025 Issued: 2025 Mar 6 2100 UTC Activity level from…
February 28 – March 6, 2025
Solar activity forecast for the period February 28 – March 6, 2025 Issued: 2025 Feb 27 2100 UTC Activity level…
Program na mesiac marec 2025
Tento program je oficiálny program hvezdárne Roztoky s platnosťou od 1.3.2025. Denné exkurzie pre školy, štvrtok a piatok, začiatok od…
February 21 – 27, 2025
Solar activity forecast for the period February 21 – 27, 2025 Issued: 2025 Feb 20 2100 UTC Activity level from…
February 14 – 20, 2025
Solar activity forecast for the period February 14 – 20, 2025 Issued: 2025 Feb 13 2100 UTC Activity level from…
February 7 – 13, 2025
Solar activity forecast for the period February 7 – 13, 2025 Issued: 2025 Feb 6 2100 UTC Activity level from…
Program na mesiac február 2025
Tento program je oficiálny program hvezdárne Roztoky s platnosťou od 1.2.2025. Denné exkurzie pre školy, štvrtok a piatok, začiatok od…
January 31 – February 6, 2025
Solar activity forecast for the period January 31 – February 6, 2025 Issued: 2025 Jan 30 2100 UTC Activity level…