Antiparos Observatory is located in Antiparos, Cyclades, Greece, on an island southeast of Athens. The observatory is owned and run by Stefanos Tsigkrimanis and located on his rooftop. Stefanos puts his 30 years of experience to use, guiding visitors across the sky on his personal telescopes. Light pollution is minimal in Antiparos in the Aegean Sea. Please note, the observatory is closed in winter.