Tag: messier-catalogue
-
Horizon-AR
I’m excited to share something I’ve been working on for a while: Horizon-AR. (Actually, it started on the trip to Zurich.) It is a free augmented-reality astronomy app now available on the Apple App Store. Point your phone at the sky, and Horizon-AR shows you exactly where the Sun, Moon, planets, and deep-sky Messier objects are, overlaid…