New Lyot coronagraph at NAO – Rozhen: presents and perspectives
Petrov N., Duchlev P., Kokotanekova J.
Institute of Astronomy, Bulgarian Academy of Science, Sofia, Bulgaria, nikipetrov@yahoo.com
Abstract. A new Lyot type coronagraph for prominence observations was assembled in June 2005 at the National Astronomical Observatory – Rozhen, Bulgaria. A short description and parameters of the instrument, as well as its testing and improving during the observations are presented. The results from the observations quiescent and active prominences are presented and discussed, too. The scientific objectives and future applications of the coronagraph are considered.
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