Polar Scope Align Pro Watch

Polar Scope Align Pro Watch

Telescope alignment & tools

51 ratings
35 reviews
$5.99

Details

Released
April 23, 2015
Updated
October 23, 2026

Features

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About

This app provides precise polar alignment for telescopes, with or without a polar scope. It includes a comprehensive suite of astronomical tools, such as a DSO database, calculators, and mount control. An accompanying watch app offers real-time alignment data and weather information.

✓Precise polar alignment calculation
✓Polar scope reticle selection
✓Daytime/no polarscope alignment
✓Deep Space Object database
✓Astronomical calculators
✓iOptron mount control
✓Apple Watch companion app
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What's New in Polar Scope Align Pro Watch

7.3

October 23, 2026

• Mount WiFi Control now supports Pegasus NYX alongside iOptron mounts, with experimental ZWO and OnStep support. • Major DSO Database update: ◦ Redesigned object details show distance from the Moon and stay up to date as time passes. ◦ Altitude charts can show the Moon and the time an object spends at a useful altitude in darkness. Tap or drag to inspect another time. ◦ Mark objects as observed, add notes, copy details and share charts. Notes can be printed, exported or backed up for import. ◦ Sort by rise, set or transit time, or by time above a useful altitude, directly from the object list. ◦ Added Ceres, Pallas, Vesta and Juno, plus brightness or opacity classes for Sharpless and Barnard objects. ◦ Show objects on a sky map even when they are below the horizon, and switch between horizon and equatorial charts. • Sky maps gain optional coordinate grids, constellation lines and full names, adjustable labels and natural star colours. • Camera Azimuth Calibration now switches to Night View after dusk, with a Brighten slider and manual or automatic focus. • Daytime Alignment shows clearer coordinates, corrections and direction arrows. • Location dropdown now places favourites before recent locations and recognises nearby saved favourites. • Xasteria weather improvements: ◦ Rain and snow icons can show precipitation amounts. ◦ Satellite All Sky Map gains Full Night and Remaining Tonight views. ◦ Weather Multi widget can show a second location and start its forecast now or tonight. ◦ Fixed widget appearance with tinted icons. • Apple Watch improvements: ◦ Redesigned weather forecast with direct updates, the Multi forecast source, configurable fields and hourly details. ◦ Choose your phone’s location, the Watch’s current location, or a saved favourite or recent location directly on the Watch. ◦ Improved Weather Tonight complication, plus new small complications for Moon phase, darkness, sunrise/sunset, clouds tonight and current clouds/seeing. • Improved night mode for maps and when launching or reopening the app. A quick rating or review on the App Store is always appreciated. For suggestions or feedback: http://astro.ecuadors.net

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Subscriptions & In-App Purchases

$0.99

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User reviews

Mandatory for polar scopes

I dont even know how I would align my polar scope without this app. The phone and watch combo are absolutely required. Please keep up the great work and improvements.

Polar Scope Align Pro Watch

Best in class by a wide margin. I can’t think of anything to improve on it for the current updated version.

Awesome

Love this app. It is a great reference tool.

Rate app

Great app

Still the best!

This app does it all. I’ve downloaded other apps to do things that I later realised could be done with this app alone. Take a LONG time to go through all of its features and you won’t be disappointed.

Developer apps

FAQ

What does Polar Scope Align Pro Watch do?

This app helps you achieve precise polar alignment for your telescope, crucial for long-exposure astrophotography. It calculates the correct position for alignment stars based on your location and date. The app also offers a wide range of astronomical tools and a companion watch app for convenient access to data.

What are the key features of the app?

Key features include accurate polar alignment calculations, support for various polar scope reticles, daytime alignment tools, a comprehensive Deep Space Object database, over 30 astronomical calculators, and Wi-Fi control for iOptron mounts. The Pro Watch version adds real-time alignment display, weather, and a bubble level to your Apple Watch.

Is this app free to use?

The app itself is free to download and use, with all features and updates provided at no additional cost. The only in-app purchases available are voluntary donations to support the developer.

What devices is Polar Scope Align Pro Watch compatible with?

The main application is designed for iOS devices. The Pro Watch version specifically includes an Apple Watch app, indicating compatibility with Apple Watch devices paired with compatible iPhones.

How can I use this app for telescope alignment?

Enter your location (via GPS or manually) and the current date and time. The app will then display the position of the celestial pole within your polar scope's reticle. You can select your specific polar scope model from a large list for the most accurate overlay. The app also offers alternative alignment methods for situations where a polar scope is not usable.