SkyPortal

3.8
5.44K reviews
500K+
Downloads
Content rating
Everyone
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About this app

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.
Updated on
Sep 12, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Personal info
Data is encrypted in transit

Ratings and reviews

3.9
4.72K reviews
Steve Pozza
October 21, 2020
Update: I am now experiencing issues with connecting, staying connected, even if I forget all other WiFi networks and stop connecting. This app freezes if I switch to another app (i.e. camera, phone) for a few min. Useful by itself, it really helps when paired to a motorized mount (I use the Skyportal WiFi module). It makes setup, alignment and slewing to objects simple and quick. The one addition I would like to see would be a logging capability. As this app will show, there is so much to see!
18 people found this review helpful
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Dorothy Frank
February 22, 2022
This app has worked great for years, until the December update. Now, it is worthless. When I open it, it automatically starts a download of files, which stalls. Then tries to install the downloaded files, and stalls. I've uninstalled it twice and reinstalled it, same thing. It went from being my go to sky app to needing to be uninstalled and not reinstalled. Update. Tried on my new galaxy phone. It won't even open. Shows a nanosecond of opening screen and crashes. I loved this app! 😭
126 people found this review helpful
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Tony Caliva
May 28, 2022
Worked great, but since the last update the app won't connect to the module. I've tried multiple devices, all which connect to the module's wifi, and keep getting same error from the app: "Skyportal can make a wireless connection to the scope, but the scope is not responding." I also get this error when I'm not connected to the module, which further makes me think it's a problem with the app. I've tried restarting the telescope multiple times, and uninstalled and reinstalled the app.
52 people found this review helpful
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What's new

Fixed startup crash affecting some users.