A few javascript tools for your convenience.

CCD Calculator and simulator

A calculator to determine the field of view for a given camera/telescope combination. Includes a crude FOV-visualiser. The calculator is in pre-alpha state but usable nonetheless.

Planet resolver

Calculate the minimum mirror diameter required to resolve a planet with a higher than 1-pixel resolution at a given distance. Not a particularly useful tool but whatever.

Importheffingen calculator (Dutch)

Calculate the European import tax and Dutch VAT for products bought in the USA. Works very well and can be used as an indicator.


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