Tokyo Photoelectric Meridian Circle (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. High Quality Content by WIKIPEDIA articles The Tokyo Photoelectric Meridian Circle (PMC) is a meridian circle that observes and records the positions of stars and planets, which are then reported in the PMC catalogs.The Tokyo Photoelectric Meridian Circle is a fully automated photoelectric meridian circle at the Mitaka campus of the National Astronomical Observatory of Japan (formerly of the Tokyo Astronomical Observatory) in Tokyo, Japan. It was manufactured by Carl Zeiss Oberkochen, Germany, and installed in Mitaka in 1982. The telescope is equipped with a double-slit photoelectric micrometer, a photomultiplier with a photon counting device, and a set of filters.