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Published online by Cambridge University Press: 04 August 2017
In 1979 Partoharsodjo (see Kitamura et. al., 1985) constructed a new photoelectric photometer with an RCA IP21 photomultiplier, so that it: 1) can be coupled easily with the Bamberg 37-cm. refractor at the Bosscha Observatory, and 2) can be used both for direct current and photon counting modes. Since its installation at the telescope in the early 80's, photometric work at Bosscha Observatory was resumed.