| University: Postal address: Department of Theoretical physics and astrophysics Institute of Physics, Faculty of Sciences University of P.J. Šafárik Park Angelinum 9 04001 Košice, Slovakia Phone: +421 55 234 2240 (2241) Fax: +421 55 6222124 E-mail: stefan.parimucha at upjs.sk, rudolf.galis at upjs.sk |
| Observatory: To contact observatory, we prefer to contact people at University Postal address: Kolonica Observatory 06761 Stakčín Slovakia Phone: +421 57 767 4348 E-mail:stefan.parimucha at upjs.sk |