deep sky objects 深空天体
On Deep-sky objects, the eyepiece continued to do quite well, showing many faint stars in open clusters.
在观测深空天体时，它仍然有很出色的表现，它分解出了许多疏散星团中暗弱的星点。
As the view level increases, you will normally want to show fainter deep sky objects.
在视场等级增加时，你通常希望看到更黯淡的深空天体。
Many of the brightest deep sky objects also have "popular names" by which they're often referred to, such as "Andromeda Galaxy", "North America Nebula", "Blinking Planetary", and so on.
那些最亮的深空天体还有常用“俗名”，比如“仙女座大星系”、“北美洲星云”、“闪耀星云”等等。
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