Both of these apps are VR apps. What they do is it use your video camera, GPS, and the motion sensor on your iPhone and iPad to position you on the Earth. With this info it projects a virtual view of the sky from your location into the screen of your device. With your video camera on your look through your screen into the sky. The apps projects a semi transparent overlay on that. This projection includes what ever constellations are in view, star, planets, etc. If you see an object you are curious tap on it and the app brings up the catalog number and other related information.
www.terminaleleven.com
starwalk.space
Terminal Eleven: SkyView - Explore the Universe
SkyView Explore the Universe is an interactive app that lets everyone explore the universe on their mobile device. See when and where the Sun will set on any date and time, explore the stars, constellations, and even satellites as they orbit Earth.
Star Walk 2 - Best Astronomy App
Explore the night sky tonight from your location. Try this exquisite stargazing tool. Take an effortless journey through thousands of stars, planets and constellations.
