螺旋式微调调焦器 VS 传统调焦器
螺旋式微调调焦器 VS 传统调焦器 https://youtu.be/LgTmL3pGtmY对于普通的导星和深 […]
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Polemaster – Test report
Revista ASTRONOMIA nº215 | mayo 2017 No hace mucho, Lun
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Why is it best to guide with a short scope?
Autoguiding is one of the most challenging tasks to master in astrophotography; nowadays, with digital cameras (CCD or CMOS), manual guiding makes no sense, as it is almost impossible to keep the required accuracy, even more with the ever-increasing exposure times everyone is using.
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