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Auteur Cheng-Yang Tan |
Documents disponibles écrits par cet auteur (2)
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Article : texte imprimé
Cheng-Yang Tan, Auteur | 2016"This month, Cheng-Yang Tan explains how he built a field derotator. He details the design of the Arduino-based system, which includes a controller module. He also covers the user interface that he uses to remotely control the design." (Extrait de Circuit cellar n°310)![]()
Article : texte imprimé
Cheng-Yang Tan, Auteur | 2016"Altitude-azimuth (alt-az) telescopes cannot be used for long exposure astrophotography. To overcome this flaw in alt-az-mounted telescopes, Chang-Yang designed and built a field derotator that removes this degree of freedom and enables alt-az telescopes to become astrophotography platforms." (Extrait de Circuit cellar n°309)