SkyPortal

3.7
5.51K reviews
1M+
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 23, 2024

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

3.7
4.78K reviews
ali zia
December 10, 2020
I like how I can use skyportal with my nexstar se. Lately I have been unable to calibrate the scope when I'm connected and its finding the planets I tell the app to go too. In the beginning I would just calibrate and after that, I didnt have to manually find anything but now the calibration doesn't work and throws a plate error. Also, the minute you go out of the app or the screen turns off, its game over and you have to start over. So much potential with this app celestron. Get it together!
19 people found this review helpful
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Bruce I
September 9, 2021
Reinstalled multiple times. I've got a galaxy S10, plenty of resources available. Typical behavior, starsense autoalign goes well. I try to do an alignment on Arcturus and the app crashes. I calibrate and the app crashes. I do neither of those and the app becomes so slow to respond its unusable. Done with this application for controlling my scope. Back to the hand controller.
11 people found this review helpful
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Phil Nickel
December 4, 2020
I'm struggling with the Celestron SkyPortal software. It's hard to press the correct arrow when you are looking in the eyepiece and a bad press leads to an error message that you must clear (and look away from the eyepiece) before you can move on. When i use the telescope's attached handheld to set the location for viewing, the SkyPortal software thinks the telescope is 90 degrees away from where it actually is pointing! So directing the telescope to sky objects is meaningless. I wish there was a way to tell the software "Hey, you! The telescope is pointing at Jupiter, not the ground!". I find that the colored display is too bright for my eyes, but the night (red and black) display is too hard to see. Constantly dropped connections are a big pain, often leading to rebooting the app. Getting 3 stars each aligned can take half an hour or more.
33 people found this review helpful
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What's new

Fixed crash occurring for some users when accessing Help section