Please use the following eMail address for contacting us:

Michel Dennefeld

Institut d'Astrophysique de Paris
  (attn. Michel Dennefeld)
98bis Bd Arago
75014 Paris
France

Petr Kabáth

Astronomical Institute
  (attn. Petr Kabáth)
Academy of Sciences of the Czech Republic
Fricova 298
CZ-251 65 Ondřejov
Czech Republic

Ernst Paunzen

Department of Theoretical Physics and Astrophysics
  (attn. Ernst Paunzen)
Faculty of Science, Masaryk University
Kotlářská 2
CZ-611 37 Brno
Czech Republic