noun, noun or participle which takes 'suru'
moon viewing
Especially refers to the traditional custom of viewing the harvest moon in the eighth month of the lunar calendar (around September). Often used in poetic or cultural contexts. Compare with 月見 (つきみ), which is the more common everyday term.
See also: 月見
中秋の名月に、家族で観月の宴を開いた。
On the night of the harvest moon, we held a moon-viewing party with the family.
古来より日本人は観月を楽しんできた。
Since ancient times, Japanese people have enjoyed moon viewing.