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iOptron Polar Scope for iOS

By iOptron $1.99

Developer's Description

This is an app to show the position of the Pole Star (Polaris in Northern Hemisphere, or Sigma Octantis in Southern Hemisphere) in the polar scope of all the iOptron (R) telescope/camera mounts. The app uses the best algorithm to calculate the position of Pole Star: The algorithm calculates 3D space motion of the Pole Star itself, precession, temperature and barometric pressure corrected atmospheric refraction, nutation, parallax, aberration, and etc). The overall accuracy of the algorithm has reached sub 0.1 arc-seconds now. The app now using a 10 minute marker reticle, the same reticle used in the polar scope of iOptron (R) telescope mount since 2014. A must have for iOptron (R) SkyGuider Pro, iOptron (R) SkyTracker Pro, SkyGuider and SkyTracker users. Also very helpful for any iOptron (R) telescope mount owners. It may also be used with other brand telescope/camera mounts with similar polar scope reticle. No human interaction required when iOS devices can using location service normally. iOS users can now manually enter the location when location service is unavailable. NOTE: Since 2017/03/03, This app has the identical result as iOptron 8407, 8408 hand controller and iOptron Commander 5.4.

Full Specifications

What's new in version 6.0

Added support for iPhone 7, iPhone 7 Plus.

Added support for iOS 10, and the minimum requirement is iOS 10 now.

The app can get temperature automatically when the iOS devices could access Internet. This feature only consumes less than 5KB data per hour.

The app will display the temperature, and take account into the calculation of atmospheric refraction.

You may manually enter location data when location service is unavailable on iPhone, iPad and iPod Touch.

Added a button to switch between English and Simplified-Chinese.


Release September 28, 2017
Date Added September 28, 2017
Version 6.0

Operating Systems

Operating Systems iOS
Additional Requirements Compatible with: iPhone5, iPadFourthGen, iPadFourthGen4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74


Total Downloads 55
Downloads Last Week 0
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