star trail

基本解釋

He said: 'I've always been fascinated by star trail images.
他說：“星星的軌跡圖像一直讓我著迷?！?/li>
But because star trail images need very long shutter speeds they take a lot of patience.
拍攝星星移動(dòng)的照片需要很長的快分時(shí)間，所以必須得有耐性。
Towards the middle of the above digitally stretched picture is the North Celestial Pole (NCP), easily identified as the point in the sky at the center of all the star trail arcs.
這張數(shù)碼郃成照片的中心位置是北天極，作爲(wèi)天空中所有星跡圓弧的中心點(diǎn)，北天極很容易找到。
jishenhua.jn.blog.163.com

Not content with just being a cable release, the Triggertrap Mobile for Android app comes with eight different modes, giving users the chance to easily take a broad range of images, including five different timelapse modes, long-exposure HDR modes and 'star trail' photography mode.
ENGADGET: Triggertrap brings its auto shutter release powers to Android with new application