眼がん視し観かん測そくじ字FuriganaMeanings1nounvisual observationastronomy›Technical term in astronomy for observing celestial objects with the naked eye or through a telescope without photographic or electronic recording.アマチュア天てん文もん家かは眼がん視し観かん測そくで流りゅう星せい群ぐんを記き録ろくした。The amateur astronomer recorded the meteor shower by visual observation.
