Hvar Observatory Faculty of Geodesy Kačićeva 26, 10 000 Zagreb.

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Hvar Observatory Faculty of Geodesy Kačićeva 26, Zagreb

Double Solar Telescope at Hvar Hvar Observatory -

Double Solar Telescope at Hvar Consists of two Carl Zeiss refractors (photospheric telescope d=217mm, chromospheric telescope d=130mm) mounted as one unit on a German parallax mounting Aim to produce high resolution images of active regions on the Sun Pullnix TM-4200GE 12-bit CCD cameras allow time series with a cadence up to 30 images per minute (valuable tool to study rapid changes of chromospheric and photospheric features) Hvar Observatory -

Double Solar Telescope at Hvar Telescope control roomNew acquisition system Hvar Observatory -

Hvar Solar Telescope Photospheric observations (white light) Evolution of Sunspot group :52 UT :40 UT :03 UT :44 UT :19 UT :39 UT Hvar Observatory -

Hvar Solar Telescope Chromospheric observations (H  ) , 11:55 UTC Sunspot group: , Solar flare (X1.4), sunspot group Hvar Observatory -

Hvar Solar Telescope PhotosphereChromosphere , 12:02 UTC Hvar Observatory -

Hvar Solar Telescope Solar flare (M5), Chromospheric observations Hvar Observatory -

Hvar Solar Telescope Venus transit, Chromospheric observations Hvar Observatory -

65-cm Stellar Telescope at Hvar Photometric monitoring program of variable stars Hvar Observatory -

1-m Austro-Croatian Telescope (ACT) Hvar Observatory -

Solar activity and its influence on the heliosphere and geospace (solar storms) Hvar Observatory -

Influence of solar variability on Earth's climate Lightning radar station Hvar Hvar Observatory -

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