DE 
EN | Contact | |
| Fair organization | Claudia Henkel (claudia.henkel(@)sternwarte-essen.de) |
| Visitors | besucher(@)sternwarte-essen.de |
| Exhibitors | Aussteller(@)sternwarte-essen.de |
| Media | Peter Gärtner (presse(@)sternwarte-essen.de) |
| Responsible person w.r.t §5 TMG | Dr. Thomas Payer (info@(@)sternwarte-essen.de) |