Opening Day of the Astronomical Observatory in Rzepiennik Biskupi
On 6–8 June 2015, an event promoting astronomy took place on the premises of the largest, privately owned astronomical observatory in Poland (Rzepiennik Biskupi, Małopolska). The three-day event included: Astronomical Cross Country Run/Walk,Space Picnic "Space Station III",Grand Opening of the Observatory. On the last day, as part of the official…