记得在过去胶片时代,拍摄星轨的方法只有长时间曝光,记得一个晚上连续几个小时要一动不动地守在相机旁,打开的快门对着那神秘的苍穹,拍了一次又一次,结果不是曝光过了,就是星轨没出来,总是让人懊恼中欲罢不能。现在,已经是数码时代了,特别是PS技术突飞猛进的进化,使得拍摄星轨,变 I remember in the past film age, shooting star orbit only a long time exposure, I remember a night for several hours to keep the camera motionless, open the shutter against the mysterious sky, patted again and again, the result is not Exposed, that is, the orbit did not come out, always annoying in the heart unable to stop. Now, it is the digital era, especially the rapid evolution of PS technology, making shooting star orbit, change