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ASTRONOMY CALCULATORS

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Deepsky Susceptibility Calculator

A calculator that describes the visibility of, and optimum scope size for, deep sky objects.

Limiting Magnitude Calculator

A calculator that allows determination of the faintest star visible in your scope with your eyes in your conditions.

Telescope Calculator

A calculator that determines all the performance parameters of your telescope.

Eyepiece Calculator

A calculator to determine magnification and field size with every eyepiece in your scope.

 


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return the merchandise in original condition within 15 days for a Full Refund, less shipping and handling charges!