Chinese and Japanese astronomers observe what has since come to be understood as a supernova.

Tadashi Abe (born 1943) is a Japanese amateur astronomer who taught high school from 1966 to 2004.

Above the Arch, some Japanese astronomers found what looks like a weak, fat jet.

Japanese astronomers using a coronagraph saw the comet break into three pieces 30 minutes before perihelion.

But Tezcatlipoca's newest approach was spotted and plotted eight months ago by Japanese astronomers.

This conclusion has been supported in 2011 by Japanese astronomers who observed the galactic center with the Suzaku satellite.

This was the last traditional calendar system created by Japanese astronomers and mathematicians.

So had one Matsuoko, a leading Japanese astronomer.

It was noted by Chinese and Japanese astronomers, however.

It was named after Takao Kobayashi, a Japanese amateur astronomer.