At first glance, SkyTools 4 feels dense. There are tabs, graphs, data grids, and a star chart that looks like a control panel for a submarine. However, every pixel is designed for one purpose: reducing cognitive load in the dark. The interface defaults to deep red hues, and all critical data is presented in high-contrast, large-font tables. You aren't supposed to marvel at the beauty of the star map; you are supposed to glance at it and instantly know which target is climbing above the atmospheric murk.
Calculates necessary sub-exposure times and total integration times based on sky brightness, object, and equipment. Target Selection Tool: