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 manually enter the location when location service is unavailable.

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User Rating

1 out of 5

1 ratings in United Kingdom

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Ratings History

Reviews

Useless

This app no longer works on my iPad. The update clearly is not backwards compatible and is not recognised by older iOS. 10Oct19 New version still won't download.

Option polar scope

Worked OK for a time. Now an hour out. When sidereal time same as Polaris RA shows Polaris still an hour away from culmination. Needs work!

IOptron polarscope

This app no longer works on my iPod.I just have a black screen

One major flaw.

This App works well providing you have a WiFi signal. As a photographer, I use my mount in remote dark sky locations and because the App is unable to use location services, it will not give you an alignment. It would be much better if there was a facility to manually add locations on such occasions.

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Category Rankings

Chart	Category	Rank
Top Paid	South Korea Utilities	236
Top Paid	New Zealand Utilities	266
Top Paid	Chile Utilities	276
Top Paid	Hong Kong Utilities	284
Top Paid	Finland Utilities	399

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