天文底片 meaning in English
astronegative
astrophotogram
Examples
- Automated measuring machine
天文底片自动测量仪 - Since the partition between successive frames may not be apparent for film of astrophotographs , taking a daytime photo or a flash photo before start is recommended to fix the first frame
由于天文底片很多时候都见不到每幅的间格，因此最好利用第一格拍摄日间景色或用闪灯拍摄任何景物，以定格位。