Tien Shan Astronomical Observatory, 1992
Sternberg Astronomical Institute, 1998
Czech Republic, summer 1998
High Tatras , Slovakia, summer 1998
Crimea, Evpatoria 1998
Wroclaw, Poland, 1999
Ondrejov observatory, Vlasim, Kutna Hora, 1999
Ondrejov observatory, 2000
Praha, 2001
Ondrejov, 2002
Velky Popovice, Ondrejov, 2003
Kutna Hora, 2006
HSFA-2, 2007
Sonja Vidojevic, Kristina Rackovic, Sladjana Nikolic and Neda Stojkovic - Serbian students
Hradec Kralove
Kralov Dvur, 2007
Komorni Hradek, 2008
Ondrejov solar seminar meeting, 2009
Turnov, 2010
Ondrejov solar seminar, 2011
Ondrejov,17-th June 2012
Ondrejov,11-th July 2013, 
Wroclaw, XVI Consultations on Solar Physics, 22-24 May 2013
Konopise, 26-th October 2013
Ondrejov,19-th May 2014
Ondrejov,24-th May 2015
Ondrejov, May 2016
Ondrejov, 15-th September 2016
Sporilov, Ondrejov April 2017
MFS, May 2017
Ondrejov, Praha, December 2017
Ondrejov, December 2018
Ondrejov, December 2019
