- Radar studies of the faint component of the interplanetary matter - principal investigator: A. Hajduk
- Structure of meteor streams - principal investigator: V. Porubcan
- Cosmic dust - principal investigator: I. Kapišinský
- Dynamics of comets and asteroids and investigation of cometary dust - principal investigator: E. Pittich
- The astrometry of asteroids and the mutual interaction of interplanetary matter - principal investigator: L. Neslušan
- Photometry of comets and asteroids and cometary astrometry - principal investigator: J. Svoren
- Study of variable phenomena of early spectral type stars and automatization of their observations - principal investigator: J. Ziznovský
- Chemically peculiar stars - principal investigator: J. Zverko
- Close binaries - principal investigator: D. Chochol
- Cataclismic variable stars - principal investigator: L. Hric
- Symbiotic stars - principal investigator: A. Skopal
- Solar eclipses - principal investigator: V. Rušin
- Solar corona - principal investigator: M. Rybanský
- Solar protuberances and automatization of solar observations - principal investigator: M. Minarovjech
- Dynamics of solar photosphere and chromosphere - principal investigator: A. Kucera
- Solar cycle and Solar-terrestrial relations - principal investigator: J. Sýkora
Jan Rybak
2004-06-11