用这个方法预报内容多，省去了每圈求卫星可见弧段的计算。
Using this method, we can obtain more information, and calculating of the visibility of satellites in every pass has been omitted.
红外线：从碳弧灯或氙弧发出的不可见的、长波长的辐射，它对胶片和设备传送热量。
Infrared: Nonvisible, long wavelength radiation from a carbon or xenon arc that contributes to the heating of the film and equipment.
在蓝色星云附近，微小但迷人的微黄色弧状可见物标出了年轻可见恒星南冕座R星的位置。
The tiny but intriguing yellowish arc visible near the blue nebulae marks young variable star R Coronae Australis.
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