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
