For further enquiries or user support, contact:
  
    - Sylvie Sahal-Bréchot, Observatoire de Paris, LERMA, Meudon, France
- Milan S. Dimitrijevic, Astronomical observatory, Beograd, Serbia
-  Nabil Ben Nessib, King Saud University , Riyadh, Saudi Arabia. 
- Nicolas Moreau, Observatoire de Paris, LERMA, Meudon, France