Start the app and point your device in the direction of the night sky, and the name of the star will be shown. - Features 88 constellations All solar system planets Hipparcos Catalogue nearly 120,000 stars Over 100 Messier objects Over 3000 Satellites Over 300 Comets Dwarf planets and Asteroids Johannes Hevelius constellation images Meteor Shower Asterisms (Winter, Spring, Summer Triangle, Big Dipper, and Milk Dipper) Satellite notificatio