Quote:
Originally Posted by tnott
A 16" SCT would be fairly close, depending on the eyepiece.
BTW - what type of eyepieces would he have he had?
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If I could afford a 16" SCT and mount I could build a full size replica!
EPs is a tough one. In one of his reports he writes of using a double lens which may have been an achromatic doublet. Ramsdens were also popular then.
However his father was renowned not only for his telescopes but for his ep's as well so he may have been using a family made one.
Always more research.
Brian