Completed on February 7th, 2023 in cooperation with Municipality Dolna Mitropolia and Municipal center for extracurricular activities and Department of Astronomy, Sofia University «St. Kliment Ohridski».
Completed on February 7th, 2023 in cooperation with Municipality Dolna Mitropolia and Municipal center for extracurricular activities and Department of Astronomy, Sofia University «St. Kliment Ohridski».