2.5.0 spase://IUGONET/Instrument/NAOJSolarObs/inst_NAOJ_Mitaka_Whitelight_1997 Inst_NAOJ_Mitaka_Whitelight_1997 2018-08-30T08:00:00 A 10 cm refractor (D = 100 mm, f = 800 mm) with a CCD (Kodak MEGAPLUS) and green filter (HOYA G530) to take a full-disk image of the solar photosphere at Solar Science Observatory, NAOJ, Mitaka. This instrument is in operation since November, 1997. spase://IUGONET/Person/naojsolarobs_person_dataproducer DataProducer Imager Sun.Photosphere 1997-11-05T00:00:00 spase://IUGONET/Observatory/NAOJSolarObs/naoj_solar_obs