The Kaiseikan is an astronomical observation facility located at the eastern end of Oita city.
You can relax while watching the superb view.
On a day without clouds, you can observe the sun, the Venus, and the bright stars at noon, and seasonal stars, nebulae, and star cluster at night in the astronomical observation room with the 60 cm reflex telescope.
【Hydrangea in June】
【Lighthouse】
Chestnut tiger butterfly(Parantica sita niphonica) is a butterfly named after the bluish green light color, the size spreading wings is about 10 cm. It move a long distance over 2,000 kilometers. You can see it here from May to June.
