AstroDigital.Net

AstroDigital.Net is a free telescope, eyepiece and CCD calculator for astrophotographic and visual work.
It computes the most important properties of your telescope system for a given eyepiece and camera combination, e.g: Magnification - Field Of View - Sensitivity - Exit pupil - Critical Focus Zone - CCD characteristics - Optimal flat value - Min.

oversampling - Light gathering - Limited magnitude - Resolution - Image scale - Number of visible stars - Time window for planetary photography.
AstroDigital.Net offers an unparalleled Exposure Calculator to compute the total integration time of your photo series.
It also offers both a transparent and a configurable night vision mode. AstroDigital.Net is designed to run at night on your laptop during your astronomy session!