Festival znanosti 2016. u Hvaru

Autor Jaša Čalogović Četvrtak, 05 Svibanj 2016 16:33

thumb FZ2016 18Od 21. do 23. Travnja 2016. organiziran je Festival Znanosti u gradskoj viječnici u gradu Hvaru, a ove godine tema festivala bila je «Znanost i umjetnost». Festival su zajedno organizirali Opservatorij Hvar i Osnovne škole Hvar, Stari Grad, Jelsa te Arheološki muzej iz Zagreba.

Festival znanosti se održava već 14. godinu za redom u Hrvatskoj i cilj mu je približiti znanost učenicima osnovnih i srednjih škola te cjelokupnoj zainteresiranoj široj javnosti. Ova godine u Festivalu znanosti je sudjelovalo 18 gradova u Hrvatskoj, a među njima je bio i po drugi puta grad Hvar. U odnosu na prošlu godinu organizatori su ponudili znatno bogatiji program pa je tako Festival u Hvaru trajao čak 3 dana te su ga posjetili učenici skoro svih škola na otoku (OŠ. Hvar, Stari Grad i Jelsa). 

Opširnije: Festival znanosti 2016. u Hvaru

 

CORAMOD workshop Hvar 2015

Autor Jaša Čalogović Subota, 06 Lipanj 2015 11:30

There are no translations available.

thumb CORAMOD 2015 groupA workshop was held at the Hvar Observatory from 26 to 29 May 2015 with general topics on the cosmic ray modulation, Forbush decreases, coronal mass ejection initiation and propagation, and magnetic clouds in the interplanetary space. There were 14 participants from the Physics department of the University of Kiel, Physics Institute of the University of Graz, Space Research Institute in Graz and Hvar Observatory.

Photos from the workshop are available here.
 

Opservatorij Hvar sudjelovao na 13. Festivalu znanosti

Autor Jaša Čalogović Četvrtak, 30 Travanj 2015 11:40

thumb FZ2015-SunceFestival znanosti s temom "Sunce" održan je po prvi puta u Hvaru, 20.04.2015, u gradskoj loggi u organizaciji osnovne škole Hvar i Opservatorija Hvar. U sklopu programa postavljena je izložba radova na temu Sunce učenika svih razreda OŠ Hvar, održana je radionica "Zabavni kviz o Suncu" na kojoj je sudjelovalo preko 40 učenika te popularno-znanstveno predavanje „Zašto i na koji način istražujemo našu najbližu zvijezdu ‐ Sunce?". U sklopu festivala postavljen je promotivno/edukativni štand na kojem se moglo saznati više o Opservatoriju Hvar, Suncu te inicijativama Međunarodne astronomske unije. Također je postavljen i edukativni interaktivni štand na kojem se izvodio pokus sa prizmom te slagale slike Sunca snimljene s različitim filterima. Tokom dana posjetitelji – učenici, profesori i roditelji, su mogli kroz teleskop promatrati Sunce, na kojemu je bilo vidljivo nekoliko Sunčevih pjega, a navečer se teleskopima promatrao Mjesec, Venera, Jupiter te Orionova maglica.

Zaposlenici Opservatorija Hvar također su u sklopu Festivala znanosti (20.-25.04.2015) održali dva popularno-znanstvena predavanja u Astronomskom centru Rijeka (23.04.) te radionicu (24.04.) i predavanje (25.04.) u Tehničkom muzeju u Zagrebu.

Slike Festivala znanosti u Hvaru možete pogledati ovdje.

Opširnije: Opservatorij Hvar sudjelovao na 13. Festivalu znanosti

 

New space weather forecast tool - FDFT

Autor Mateja Dumbovic Srijeda, 11 Ožujak 2015 14:29

There are no translations available.

thumb FDFTNew space weather forecast tool „Forbush decrease Forecast Tool (FDFT)" is now available at Hvar Observatory webpage. FDFT is based on an empirical probabilistic model for the estimation of the Forbush decrease magnitude based on the remote CME/flare observations. It uses CME-speed, CME width, associated flare source position, associated flare soft X-ray peak intensity, and interaction parameter (likeliness of the CME-CME interaction) as an input. It provides Forbush decrease (FD) magnitude probability distribution and expected FD magnitude interval as an output. The details regarding the forecast method and the evaluation will be described in detail in the manuscript "Forbush decrease prediction based on the remote solar observations" by Dumbović et al., which is in preparation.
 
 

Umirovljen tehničar Nikša Novak nakon 36 godina rada na Opservatoriju

Autor Mateja Dumbovic Utorak, 10 Veljača 2015 14:31

Oproštajni party Nikše Novaka, 28.01.2015
Nikša Novak, tehničar Opservatorija Hvar, nakon 36 godina rada za Opservatorij, od 01.01.2015. otišao je u zasluženu mirovinu. Nikša, osim što je bio nezamjenjiv faktor u održavanju Opservatorija, također je bio jedan od najmarljivijih opažača Sunca dvostrukim solarnim teleskopom. Stoga su mu zaposlenici Opservatorija prigodom svečanog oproštaja održanog 28.01.2015. na Opservatoriju Hvar poklonili prigodan poklon – drveni reljef fotografije Nikše na teleskopu, snimljene u ranim danima njegovog zaposlenja.
 

Proceedings and photos from XIIIth HAC

Autor Jaša Čalogović Nedjelja, 05 Listopad 2014 22:51

There are no translations available.

HAC2014-group-photo-smallThe Proceedings of the XIIIth Hvar Astrophysical Colloquium will be published in a special volume of the Central European Astrophysical Bulletin. The deadline for submitting the manuscripts is December 1st, 2014. All other details about the proceedings can be found here.
 
Photos from XIIIth HAC social events are uploaded to photo gallery here. If you also wish to share your pictures in this gallery please resize your pictures to size smaller than 1000 pixels (by width or height) and send them with mail to Ova e-mail adresa je zaštićena od spam robota, nije vidljiva ako ste isključili JavaScript .
 

Peter Foukal visted Hvar Observatory

Autor Davor Sudar Četvrtak, 02 Listopad 2014 20:09

There are no translations available.

thumb PFoukalAtHOPeter Foukal, member of U.S. National Academy of Sciences Panel on Sun-Climate Influences and the author of the book Solar Astrophysics, visited the Hvar Observatory on September 20th, 2014. Apart from showing the observatory to the distinguished guest, we also used this opportunity for taking some photos.
 
 
 
 
 

XIIIth Hvar Astrophysical Colloquium

Autor Jaša Čalogović Nedjelja, 24 Kolovoz 2014 00:00

There are no translations available.

thumb HAC-XIII-posterXIIIth Hvar Astrophysical Colloquium: Physics of the Solar Atmosphere will be organized from 22. to 26. September 2014  in Hvar, Croatia. The scientific sessions will include following sessions: Global Sun and Solar Cycle, Observing Techniques and Data Archives, Plasma and MHD Processes, Flares and CMEs, Space Weather and Space Climate.
 
 
 

SCOSTEP Launches VarSITI Program to Explore the Origin and Consequences of a Weak Sun

Autor Jaša Čalogović Ponedjeljak, 13 Siječanj 2014 13:52

There are no translations available.

SCOSTEP VarSITI logoAlthough 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.

Opširnije: SCOSTEP Launches VarSITI Program to Explore the Origin and Consequences of a Weak Sun

 

Photos - ISEST Workshop

Autor Jaša Čalogović Subota, 13 Srpanj 2013 16:36

There are no translations available.

Group photo - ISEST Workshop, Hvar, 17.6.2013All group photos as well the photos from social events during ISEST Workshop in Hvar (17. – 20. June 2013) are available in photo gallery here.
 
 
 
 
 

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SolarMonitor.org

  • Solar Activity Level: LOW
    Solar Activitly level is LOW.

    2-day Flare Index (entire sun): 6.7
    X-Class Flares: 0
    M-Class Flares: 0
    C-Class Flares: 5
  • Most Active Region: NOAA 12529
    The Most Active Region is NOAA 12529.

    2-day Flare Index: 3.9
    X-Class Flares: 0
    M-Class Flares: 0
    C-Class Flares: 3

    Region Statistics for Today
    Mount Wilson Class: b
    Area: 0850
    Nummber of Spots: 19
    Flares: C1.8 (07:40)

    Region Statistics for Yesterday
    Mount Wilson Class: b
    Area: 0820
    Nummber of Spots: 16
    Flares: C1.1 (01:36) C1.0 (18:28)

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