| Organization | Facility | Telescope |
|---|---|---|
| Collaborating Organizations | ||
| Hokkaido University | Nayoro Observatory | 1.6-m Pirka Telescope |
| Saitama University | 0.55m SaCRA | |
| Saitama University | 0.36m Telescope | |
| The University of Tokyo | Kiso Observatory | 1.05 m Schmidt telescope |
| Tokyo Institute of Technology | Akeno Observatory | 0.5m MITSuME Akeno |
| Nagoya University | South African Astronomical Observatory | 1.4m IRSF |
| Kyoto University | Okayama Astronomical Observatory | 3.8m SEIMEI Telescope |
| Kyoto University | Rooftop Observatory, Kyoto University | 0.4m Telescope |
| University of Hyogo | Nishi-Harima Astronomical Observatory | 2.0m Nayuta Telescope |
| Kyoto University | Okayama Branch Office, National Astronomical Observatory of Japan | 0.5m MITSuME Okayama |
| Hiroshima University | Higashi-Hiroshima Astronomical Observatory | 1.5m Kanata telescope |
| Kagoshima University | Iriki Astronomical Observatory | 1.0m Telescope |
| National Astronomical Observatory of Japan, NAOJ | Ishigakijima Astronomical Observatory | 105 cm Murikabushi telescope |
| Cooperating Organizations | ||
| Ritsumeikan University | Biwako-Kusatsu Campus | 0.6-m Ritsumeikan Telescope |
※ Preparations are underway for the 0.6-m telescope at Ritsumeikan University to participate in the OISTER observing network.