An installed PWA can still be used without an internet connection.

While a PWA can be used like any regular web page, installing it can provide some advantages. The NIOSH Hearing Loss Simulator is an example of a PWA. Installing a PWA on a Windows PC or MacĪ progressive web application (PWA) is a web site that can be downloaded to your device and used like an app.

SkyPortal’s telescope alignment incorporates advanced mount modeling, providing better pointing accuracy than other telescope systems which rely on a dedicated computer. Tap any object and your telescope automatically centers it in the eyepiece. 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. Access over 4 hours of audio commentary to guide you through the best celestial objects.Browse hundreds of astronomical photographs and NASA spacecraft images.Learn the history, mythology, and science of the heavens with SkyPortal's hundreds of object descriptions.Explore the sky with Night Vision turned on, and preserve your eyesight after dark.Animate transits, conjunctions, eclipses, and other events with SkyPortal's Time controls.Control compatible Celestron WiFi telescopes with sophisticated mount modeling for quick and accurate go-to alignment.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.Simulate the night sky from anywhere on planet Earth, up to 100 years in the past or future.View hundreds of photos or listen to more than four hours of audio narration to enhance your stargazing experience. Look ahead to see when Jupiter’s Great Red Spot will be visible, animate transits, eclipses, and other celestial events. 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. 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. SkyPortal includes everything you need to experience the night sky in an exciting new way. Explore the Solar System, 120,000 stars, over 200 star clusters, nebulae, galaxies, and dozens of asteroids, comets, and satellites-including the ISS.

Celestron’s newest planetarium app is an astronomy suite that redefines how you experience the night sky.

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