Author: Boyko Mihov

Aluminization of the primary mirror of the 2-meter telescope at the Rozhen NАО

During the period of July-August 2026, a renewal of the aluminum reflective layer (aluminization) of the primary mirror of the 2-meter telescope at the Rozhen NAO was carried out. The aluminization itself was performed by the German company -4H-JENA engineering GmbH using the specification CZ303 (Al + MgF). The transport of the mirror to and […]

XIXth Annual Conference of the Union of Astronomers in Bulgaria

On June 12-13, 2026, the XIXth annual conference of the Union of Astronomers in Bulgaria was held in Burgas, dedicated to the 45th anniversary of the official opening of the Rozhen National Astronomical Observatory. At the conference, Prof. B. Mihov (Institute of Astronomy with the NAO, Bulgarian Academy of Sciences) delivered an invited report on […]

The Andor iKon-XL large-format CCD camera successfully passed operational tests

The large-format CCD camera Andor iKon-XL 231 BEX2 Deep Cooled (with a chip size of 4096×4108 pixels), intended for use in the Nesmith focus of the 1.5-m telescope at NAO Rozhen, successfully passed all operational tests “on site” stipulated in the relevant contract. The camera was delivered to Bulgaria on March 19, 2026, and on […]

The new 80-cm telescope has been successfully installed at Rozhen NAO

On December 2, 2025, specialists from the Austrian company ASA Astrosysteme GmbH installed the 80-cm telescope ASA800 RC f6.85/f2.5, purchased for the needs of Rozhen NAO, in the repaired and renewed dome of the old 60-cm telescope. Currently, the 80-cm telescope is being equipped with the computing and observation equipment necessary for its operation: computer […]