The Best Mobile Apps for Spotting and Identifying Orbiting Satellites and Iridium Flares

If you spend time gazing at the stars on a clear night, you're guaranteed to see a satellite or two passing among them. But how do know whether that's a spent rocket booster, the Hubble Space Telescope or a crewed space station gliding silently overhead? And what was that momentary flash of light? Was it a meteor, or the glint from a shiny satellite? Satellite-focused mobile apps are the best tools for tracking the myriad satellites that are visible with unaided eyes. They can help you tell one satellite from another, as well as alert you when a popular human-made object is about to appear in the night sky and then show you exactly where to look for it. More

(Source: Space.com - Sep 1)