我们需要一些特殊的器械，比如一个类似三脚架的东西以便照相机可以跟踪天体。
We will need a special device, which somehow looks like tripod and makes the camera follow the sky objects.
这张数码照片是用架在能跟踪天体的望远镜上的照相机拍的，于美国弗吉尼亚一露营基地。
The digital photograph was made with a camera mounted on a telescope tracking the stars through dark skies above a camp ground in Virginia, USA.
所以，虽然可以获得天体图像，但是在大多数观测中照相机的人们还不能了解照相机的全部能力。
So while it is possible to obtaincelestial images, the camera's full power cannot yet be realised for most observations.
所以，虽然可以获得天体图像，但是在大多数观测中照相机的人们还不能了解照相机的全部能力。
So while it is possible to obtaincelestial images, the camera's full power cannot yet be realised for most observations.
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