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Astro Locator

Astro Locator

Polar Alignment Tool

68 ratings
22 reviews
🔧 Utilities
🔍 Reference
$3.99

Lowest price: $2.99 4 years ago (-33%)

Price history

Details

Released
November 13, 2014
Updated
October 17, 2026

Developer

Progress Concepts Limited
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About

This app assists astronomers in quickly and easily achieving polar alignment for their telescopes. It helps locate key stars like Polaris or Sigma Octantis, displaying essential astronomical data for setup and viewing. Ideal for mobile astronomers who frequently set up and pack down their equipment.

✓Quick polar alignment
✓Locate Polaris/Sigma Octantis
✓Display elevation, latitude, longitude
✓Show moon phase
✓Sunrise/sunset times
✓Astro twilight times
✓Today Extension widget
Show original description

What's New in Astro Locator

2.0.4

October 17, 2026

- Support for iPhone Duo.

User reviews

Most RecentHighest RatedLowest Rated

Outstanding for Polar Alignment

This really makes setting up my scope quite simple!
AAlexInSanDiego

Response from developer

Thank you for your kind review.

Seestar S50

Great app for new equatorial mode on Seestar S50. Allows you to set up scope in twilight/ daylight and then just need minor tweaks to get perfect polar alignment with scope once it’s dark.
JJonS1n

Response from developer

Thank you for taking the time to leave your kind review.

Love it

Really practical app that all astronomers should have in their toolbox
WWillrodz

Response from developer

Thank you for taking the time to leave your kind review.

Awesome

This app works great and is very much worth it. Thanks :)
TToastedMice

Astro Locator

Very good app for polar alignment. One of the most useful apps that I have are use it every time I take one of my telescopes out I highly recommend this to anyone who is into astronomy either visual or Astro photography.
PPeterF1944

Response from developer

Thank you for your kind review.

See 17 more reviews

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FAQ

What does Astro Locator do?

Astro Locator is designed to help astronomers quickly and easily achieve polar alignment for their telescopes. It aids in locating celestial navigation stars like Polaris or Sigma Octantis, essential for accurate tracking.

What are the key features of Astro Locator?

Key features include quick polar alignment assistance, the ability to locate Polaris or Sigma Octantis, display of current direction, elevation, latitude, longitude, moon phase, sunrise/sunset times, and astro twilight times. It also offers a convenient Today Extension widget.

Is Astro Locator free to use?

Yes, Astro Locator is available for free. The application does not feature in-app purchases or advertisements, allowing for an uninterrupted user experience.

Who would benefit most from using Astro Locator?

This app is particularly beneficial for new astronomers or those who frequently set up and break down their equipment for each observing session, as it simplifies the polar alignment process.

What astronomical data does the app provide?

The app displays essential data such as the current direction, elevation, latitude, longitude, altitude, moon phase, sunrise and sunset times, and astro twilight start and end times. It also shows accurate time in both UTC and local time zones.