My Personal Journal

Gary Kilo's log on the internet

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02 February, 2023

Astrophotography Equipment

Focal Length (mm) / Aperture (mm) = Focal Ratio

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About Me

WebMaster: Heidelberg, Baden, Germany; Cybernet specialist & enterprise process engineer making businesses more cost-effective by delivering mobile, cloud-based, in-memory, real-time, analytic solutions to enhance their competitiveness in the market.

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