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![]() "Carsten A. Arnholm" wrote in message Hi, I did some sunspot imaging today (Aug 12.) using a 400mm f5 refractor and a C8. The 400mm is focal length, right? Regards, Ed T. |
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Edward wrote:
"Carsten A. Arnholm" wrote in message Hi, I did some sunspot imaging today (Aug 12.) using a 400mm f5 refractor and a C8. The 400mm is focal length, right? Regards, Ed T. Yes :-) 400mm f5 implies the aperture is 80mm. Clear skies Carsten A. Arnholm http://arnholm.org/ N59.776 E10.457 |
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Ado wrote:
Carsten The hi-res shots are particularly superb. Thanks. Ado Thanks Ado, Yes, I was surprised they came out that good. The full aperture filter on the C8 helps I think. Clear skies Carsten A. Arnholm http://arnholm.org/ N59.776 E10.457 |
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