A RFC Photometer


By Jahangir Payamara, Aria Payamara


A photometer designed to change filter on a short time scale is described. This device is simple & compact & has proved to be a very reliable. Evaluation of the photometer indicates that photometric data can be obtained on many nights ordinary considered unsuitable for photometry due to broken cloud. This work carried out in Global Atmospheric Watch Station Mountain 20 km away from Tehran.


Key Words : Instrumentation, Photometry, Rapid filter change, Polarizer.


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