Shot planning with a camera and a target, a 3D landscape view over real terrain, sun, moon, planet, star and Milky Way tracking, star trails over one to six hours, sensor framing guides for full frame and APS-C in landscape or portrait, a monthly astro events calendar, saved views and share links.
Celestial positions are accurate to about one arcminute. Terrain accuracy is photogrammetric rather than survey-grade, and varies by location.