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Screenshots

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About SkyPortal

Celestron® SkyPortal™
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Celestron’s newest planetarium app is an astronomy suite that redefines how you experience the night sky. Explore the Solar System, 120,000 stars, over 200 star clusters, nebulae, galaxies, and dozens of asteroids, comets, and satellites—including the ISS. SkyPortal includes everything you need to experience the night sky in an exciting new way. When connected to a compatible Celestron WiFi telescope, you can automatically point the telescope to any object in the database and view it with great detail.

Planetarium Features
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Simulate the night sky and plan your observing session with a custom list of tonight’s best objects based on your exact time and location. Look ahead to see when Jupiter’s Great Red Spot will be visible, animate transits, eclipses, and other celestial events. View hundreds of photos or listen to more than four hours of audio narration to enhance your stargazing experience.

Simulate the night sky from anywhere on planet Earth, up to 100 years in the past or future.
Compass Mode (with compatible devices): Hold your device up to the sky for a real-time synchronized display of celestial objects – from star names, constellations, planets, to nebulae and galaxies.
Control compatible Celestron WiFi telescopes with sophisticated mount modeling for quick and accurate go-to alignment.
Animate transits, conjunctions, eclipses, and other events with SkyPortal's Time controls.
Explore the sky with Night Vision turned on, and preserve your eyesight after dark.
Learn the history, mythology, and science of the heavens with SkyPortal's hundreds of object descriptions.
Browse hundreds of astronomical photographs and NASA spacecraft images
Access over 4 hours of audio commentary to guide you through the best celestial objects.

Computerized Telescope Control
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Pair your device to your compatible Celestron WiFi telescope, align with Celestron’s patented SkyAlign™ technology, and you’re ready to explore! Identify objects instantly. Tap any object and your telescope automatically centers it in the eyepiece.

SkyPortal’s telescope alignment incorporates advanced mount modeling, providing better pointing accuracy than other telescope systems which rely on a dedicated computer.

SkyPortal has localization support for French, Italian, German, and Spanish.

What’s new

Version 4.0.3.0 · Updated August 19, 2026

Support for StarSense AutoAlign V2 Other bug fixes and improvements

User reviews

Mark Gonsoulin
Mark Gonsoulin
Simply Amazing
Meghraj Gurjar
Meghraj Gurjar
Nice app 👍🤩
K. p. Boobalan
K. p. Boobalan
Super
Rohit Khairnar
Rohit Khairnar
Best App Ever for beginners. You need a strong wifi + consistent power (don't use batteries) and this app takes care of the rest. This app make it easy to align + easy to find objects and works really well with wifi module. My very first stargazing session was successful. Thanks to the developers and Celestron.
Abhiroop Bhattasali
Abhiroop Bhattasali
Thank you 🙏
NightShift Astronomy
NightShift Astronomy
very nice app it's good for stargazing for begginers as well as amateurs.

Frequently asked questions

What is SkyPortal?
SkyPortal is an astronomy suite app that allows you to explore the night sky and view objects in great detail when connected to a compatible Celestron WiFi telescope.
What features does SkyPortal offer?
SkyPortal offers features such as simulating the night sky, planning observing sessions, viewing celestial events, controlling compatible telescopes, browsing astronomical photographs, accessing audio commentary, and more.
Can SkyPortal simulate the night sky from any location and time?
Yes, SkyPortal can simulate the night sky from anywhere on planet Earth, up to 100 years in the past or future.
Does SkyPortal have a Compass Mode?
Yes, SkyPortal has a Compass Mode that provides a real-time synchronized display of celestial objects when you hold your device up to the sky.
Can SkyPortal control Celestron WiFi telescopes?
Yes, SkyPortal can control compatible Celestron WiFi telescopes with sophisticated mount modeling for quick and accurate go-to alignment.
What languages does SkyPortal support?
SkyPortal has localization support for French, Italian, German, and Spanish.
How does telescope alignment work with SkyPortal?
You can pair your device with a compatible Celestron WiFi telescope, align using Celestron's SkyAlign technology, and then you can identify objects instantly and have your telescope automatically center them in the eyepiece.
Does SkyPortal provide better pointing accuracy than other telescope systems?
Yes, SkyPortal's telescope alignment incorporates advanced mount modeling, which provides better pointing accuracy compared to other telescope systems that rely on a dedicated computer.

Alternatives to SkyPortal

Looking for apps like SkyPortal? Here are 6 similar Android apps on Google Play. The highest rated is Sky Academy: Learn Astronomy (4.8/5), and 5 of the 6 are free to download.

SkyPortal vs. alternatives
App Rating Price Installs Last updated Compare
SkyPortal 2.9 / 5 Free 1,000,000+ Aug 19, 2026
Sky Academy: Learn Astronomy 4.8 / 5 Free 100,000+ Jan 14, 2023 Compare
SkySafari - Astronomy App 4.5 / 5 Free 1,000,000+ Jun 11, 2020 Compare
Redshift Sky Pro - Astronomy 4.7 / 5 8.99 USD 10,000+ Jul 14, 2025 Compare
SkyView® Lite 4.4 / 5 Free 10,000,000+ Oct 3, 2025 Compare
Star Roam & Planet & Sky Map 4.4 / 5 Free 1,000,000+ Oct 4, 2026 Compare
Night Sky Star Finder – Free 100,000+ Jul 31, 2026 Compare

Compare SkyPortal with the top alternatives: ratings, updates, ASO score and keyword gaps →

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