... 2014 . ... MAGNETIC FIELDS IN SOLAR ACTIVE REGIONS V.G.Lozitsky Taras Shevchenko National University of Kyiv, Astronomical Observatory lozitsky@observ.univ.kiev.ua, lozitsky_v@ukr.net Magnetic field measurements in solar active regions carry out on a base of the Zeeman effect. ... TRACKING OF RADIO BURST SOURCES IN SOLAR CORONA BY HELIOGRAPHIC MEANS Koval A.A. 1, Stanislavsky A.A. 1,2, Konovalenko A.A. 1 Institute of Radio Astronomy of NAS of Ukraine 2 V.N. Karazin Kharkiv National University 1 .. ...

... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...