SkySafari 3 (iOS) app for FREE
This is basic version of SkySafari 3. It shows you 120,000 stars, plus 220 of the best-known star clusters, nebulae, and galaxies in the sky. It displays the Solar System's major planets and moons using NASA spacecraft imagery, and includes the best-known asteroids and comets.
SkySafari 3 accurately shows you the sky from any place on Earth, at any time up to one million years in the past or future. It includes encyclopedic descriptions of the constellations, stars, and planets written by professional astronomers. And it contains hundreds of images from NASA space missions, the Hubble Space Telescope, and the world's foremost astro-photographers.++