English Dictionary

star trail

名詞

(astronomy, photography) The line of light recorded on a photographic medium when a time exposure is made of a star in the nighttime sky using a camera on a fixed mount, caused by the rotation of the earth during the period of time when the camera's shutter is held open.

日本語の意味

天体写真において、固定されたカメラで長時間露光を行う際、地球の自転により星が描く光の軌跡の現象。 / 夜空を撮影する際に、星が放つ光が露光時間中に描く軌跡。

I spent the night on the ridge waiting for the perfect star trail to appear above the needle-like peak.

とがった峰の上に完璧な、長時間露光で記録される星の軌跡が現れるのを待って、尾根で一晩を過ごした。

意味（1）

(astronomy, photography) The line of light recorded on a photographic medium when a time exposure is made of a star in the nighttime sky using a camera on a fixed mount, caused by the rotation of the earth during the period of time when the camera's shutter is held open.

The idea behind photographing star trails is wonderfully simple. Just take your old mechanical camera, point it skyward, and leave the shutter open.

star trails （ plural ）