Navigation Almanac

Sight reduction — azimuth, altitude, GHA, LHA, SHA, declination, semi-diameter, parallax Almanac — all bodies at a glance for your position and time Live GPS dashboard — position, course, speed, altitude, magnetic variation Sky View — interactive planetarium Compass error — check gyro and magnetic compass against a celestial bearing Two-LOP fix calculator Rise, set and twilight times Magnetic variation (WMM-2025) English & Russian; day and night modes