| Organization | Private |
|---|---|
| Observatory code | 411 |
| Location | Ōizumi,Gunma Prefecture,Japan |
| Coordinates | 36°15′02″N139°25′01″E / 36.2505°N 139.4170°E /36.2505; 139.4170 |
| Altitude | 38.179km |
| Established | 1990 |
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Ōizumi Observatory (obs. code:411) is a privateastronomicalobservatory inŌizumi,Gunma Prefecture,Japan.Takao Kobayashi has made discoveries of numerousminor planets at the observatory. Since its founding, Kobayashi has discovered 1,200 minor asteroids and their positions using a 10-inch (250 mm) telescope. Ōizumi observatory like many other observatories is in a relatively undisturbed place.[1] One of the notable people to work at the observatory isTakao Kobayashi.[citation needed]