Ouranos: Clear Sky Forecast
Best nights for stargazing
Free · In‑App Purchases · Designed for iPad
Never miss a starry night again. Ouranos is your all-in-one astronomy and stargazing companion. It combines high-precision weather forecasts, detailed astronomical data, and community features, helping you know exactly when the sky will be perfect for observing stars, planets, meteor showers, or capturing stunning astrophotography. Whether you’re a beginner or a seasoned astronomer, Ouranos makes planning your night under the stars effortless.
Starry Sky Forecasts & Astronomy Weather
Get accurate weather data optimized for stargazing:
• Cloud cover, seeing, transparency
• Wind, humidity, dew point
• Hour-by-hour visibility conditions
• Night-sky-focused forecasts
• Sky Quality Index updated every 15 minutes
• 14-day forecast to plan your stargazing weeks in advance
Astronomy Tools & Celestial Tracking
Stay informed with precise astronomical insights:
• Planet, Moon, and star rise/set times
• Deep-sky object visibility and Sky Analysis
• Interactive charts for planning your observation sessions
• More than 500 yearly astronomy events: meteor showers, eclipses, conjunctions
Community & Astrophotography
Share your photos of the night sky and discover images from other astronomy enthusiasts:
• Public astrophotography gallery
• User profiles and social features
• Tips, techniques, and discussions with fellow stargazers
AI-Powered Stargazing Tips
Get personalized recommendations based on:
• Your location
• Weather trends
• Light pollution
• Upcoming celestial events
Light Pollution Map & Dark-Sky Finder
Find the best observation spots near you:
• Global light pollution map
• Bortle scale data
• Ideal for astrophotography trips and telescope sessions
Improved Interface & Navigation
Ouranos now features a redesigned hierarchy and a cleaner interface, making it faster and easier to access all tools and features.
Why choose Ouranos?
Ouranos brings together astronomy weather, sky analysis, celestial tracking, community, AI recommendations, and dark-sky tools in one powerful platform. Observe. Capture. Share. Your starry night starts here.
Find the terms of use (EULA) at this address: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ouranos becomes the all-in-one astronomy platform.
Complete hierarchy redesign: smoother navigation, cleaner interface, and quicker access to essential tools.
Community hub: share your sky photos, discover images from other astronomy enthusiasts, and connect with the community.
Sky Analysis: detailed sky insights with interactive charts to see which deep-sky objects and planets are visible tonight.
Light Pollution Map: a brand-new tab to help you find the best observation spots around you.
Subscriptions
The developer, Paul Joly, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Contact Info
- User Content
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Paul Joly
- Size
- 74.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 14.0 or later.
- iPhone
Requires iOS 14.0 or later. - iPad
Requires iPadOS 14.0 or later. - iPod touch
Requires iOS 14.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 8 more
- English, Arabic, French, German, Hindi, Italian, Portuguese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Ouranos Premium $5.99
- Ouranos Premium $49.99
- Copyright
- © 2022 - 2025 Paul Joly