Written by Jaša Čalogović Thursday, 30 April 2015 11:40Festival of Science with special topic "the Sun" was held for the first time in the Hvar town loggia on 20th April 2015, organized by Primary school Hvar and Hvar Observatory. The aim of festival is promote and raise awareness of science, technology and the environment with the aim of getting children interested in science and technology. The program consisted of the exhibition of student's artwork, a workshop "Funny quiz about the Sun" with more than 40 participants and a lecture "Why and how do we study our nearest star – the Sun?". A promotional/educational stand was set, where information was presented about Hvar Observatory, the Sun and the International Astronomical Union initiatives. Additional educational interactive stand was also set, where prism experiment was performed and that offered several puzzles of the Sun in different colors. During the day the visitors – students, teachers and parents were observing the Sun through the telescope where several sunspots were visible, while in the evening observations of the Moon, Venus, Jupiter and Orion nebula were organized with amateur telescopes.
During the Festival of Science, from 20. to 25. April 2015, staff members of Hvar Observatory gave also two public lectures in Astronomy Center of Rijeka (23.4.) and organized workshop (24.4.) and lecture (25.4.) in Technical museum, Zagreb.
Pictures from Festival of Science in Hvar are available here.
Written by Mateja Dumbovic Wednesday, 11 March 2015 14:29
Written by Mateja Dumbovic Tuesday, 10 February 2015 14:31
Written by Jaša Čalogović Sunday, 05 October 2014 22:51
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Written by Jaša Čalogović Monday, 13 January 2014 13:52
Although the Sun just recently provided strong flare on 7th January 2014, 18:30 UTC connected with coronal mass ejection (CME) and this time luckily with minor impact on Earth, the current 24 solar cycle is in general much weaker than previous solar cycles. That something is changing on the longer timescales related to solar activity was already indicated by the number of spotless days in the last solar minimum which was the largest in last century. To investigate rather unusual solar cycle in the last year MiniMax24 campaign was started, leaded by Manuela Temmer from Graz University, where Hvar Observatory was also involved with expertise and Hvar solar Telescope observations. The continuation of this campaign in now foreseen in new scientific program called VarSITI (VARiability of the Sun and Its Terrestrial Impact).
One of the scientific elements of VarSITI is ISEST (Internatinal Study of Earth-affecting Solar Transients) which tries to understand the origin, propagation and evolution of solar transients through the space between the Sun and the Earth, and develop the prediction capability of space weather. In the frame of ISEST last year (2013) the ISEST workshop on Hvar was organized in June.
Beside the ISEST, Hvar Observatory performs also research on solar activity influences on Earth’s climate and weather (ROSMIC). There are still many contended mechanisms that link the solar activity and Earth’s climate. If such weaker solar activity continues in the future, it will be interesting to observe the eventual climatic changes linked to solar activity in the next decades.
Written by Jaša Čalogović Saturday, 13 July 2013 16:36
Written by Jaša Čalogović Tuesday, 12 March 2013 14:04This is the second announcement for the International Study for Earth-Affecting Solar Transients (ISEST) Workshop in Hvar, Croatia, June 17-20, 2013. ISEST is intended to bring together scientists from different countries to interact and establish collaborations that can effectively address the physical mechanisms of the origin and propagation of coronal mass ejections (CMEs), toward the goal of developing the prediction capability of solar transients' arrival and potential impact on the Earth. This is a newly established program under SCOSTEP CAWSES-II. The workshop engages coordinated international activities in observation, theory and modeling, and involves scientists in both developed and developing countries, and provides an online platform for both research and educational opportunities for students.
Written by Jaša Čalogović Tuesday, 29 January 2013 10:20COMESEP 2nd Year Progress Meeting will be organized by Hvar Observatory and take place at Zagreb Observatory from 15 to 19 April, 2013 in Zagreb, Croatia.
>> more information about COMESEP Meeting
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