Comet Book против Bright Comets Использование & Stats

The Comet Book app clearly shows when Comets can be viewed and in which direction. The direction and elevation of a Comet can change noticeably in a day due to its fast apparent motion. The moon and a bright planet may be convenient as a guide to find the comet though they have large apparent motion, too. This app determines where Comet is in the sky when it becomes visible at your observing site. You can easily start your observation of a Comet by using Comet Book as a guide to the direction and elevation of the comet. In addition, the new “3D Solar System seen from Space” mode allows you to view the motion of Comets and planets turning around the sun. Please take a look the comet’s movement around our solar system.

Apple App Store
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Bright Comets

This app helps you locate all bright comets currently visible in the night sky. Just hold your device up to the sky and find the red target marker on the screen. That's where the comet is! The app uses your location and up-to-date ephemerides from the NASA JPL's Horizons database to calculate the comet's position.