When you select the eyepiece and the telescope, magnification, and then simulate the brightness of the apparent field of view and field of view.
You can check whether a celestial body can be seen in how much size you want to see in advance.
It supports the eyepiece-telescope of 2015 edition Vixen catalog.
You can check whether a celestial body can be seen in how much size you want to see in advance.
It supports the eyepiece-telescope of 2015 edition Vixen catalog.
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