Celestron has reinvented the manual telescope with StarSense Explorer LT 70AZ — the first telescope that uses your smartphone to analyze the night sky and calculate its position in real time. StarSense Explorer is ideal for beginners thanks to the app's user-friendly interface and detailed tutorials. It's like having your own personal tour guide of the night sky. Unleash the power of your smartphone to take you on a guided tour of the night sky—no telescope experience required. The patent-pending StarSense sky recognition technology uses your smartphone to analyze star patterns overhead and calculate its position in real time. Check phone compatibility here. StarSense Explorer app automatically generates a list of objects currently visible. View planets, brighter nebulae and galaxies, star clusters, and double stars from the city. Or take your telescope to darker skies to view faint, deep sky objects. The manual altazimuth mount with smooth, dual-axis slow-motion controls makes it easy to follow celestial objects.