lustar vs Sky Planner

The two biggest factors keeping you from finding that perfect star gazing location are light pollution and weather. Using local weather forecasts and light pollution data, Lustar gives you a searchable map of the world with hourly stargazing forecasts for every location. Check out the Dark Site locations if you're not sure where to start.

Is tonight worth heading out under the stars? Make your plan before you pack. DarkScout brings cloud cover, Moon conditions, darkness and observing targets into one place. Every feature is included, with no trial or subscription required. KNOW WHEN TO GO Check your Tonight recommendation, Astro Score and best observing window. Open Score Lens to understand which conditions help your night and which get in the way. PLAN YOUR NEXT SESSION Choose a target, date and location. Plan up to 14 nights ahead, compare observing locations and explore the full astronomical object catalog. BUILD YOUR OBSERVING HABIT Explore 14 observing challenges with practical steps, local progress and direct links to the planning tools you need. CHECK BEFORE YOU DRIVE Review the 72-hour cloud-cover map, save unlimited observing spots and use horizon profiles to plan around your view. Set location alerts and your own thresholds. ENJOY THE NIGHT TOGETHER Browse astrophotos, share original-quality images, or join and host observing sessions with participant chat and weather backup plans. For stargazing with your eyes, binoculars or a telescope, and for planning astrophotography. Forecasts can change; recheck conditions before leaving. Requires iOS 26 or later. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/