Polar Alignment Scope Guide

Content rating
Everyone
0+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Polar Alignment helps you dial in the polar alignment of an equatorial telescope mount by showing exactly where the pole guide star should sit on your polar-scope reticle. In the Northern Hemisphere it tracks Polaris; in the Southern Hemisphere it follows Sigma Octantis.

HOW IT WORKS
Enter your latitude and longitude with the date and time, and every position is computed right on your device with no connection needed. You get the clock position, hour angle, local sidereal time, and the pole distance (separation), so you always know where to park the guide star on the reticle.

RETICLE OPTIONS
Switch between a generic clock reticle and a 36'-44' scale AccuAlign-style reticle, flip to an inverted view to match a diagonal or a straight-through optic, and turn on Night mode for a dim red display that protects your dark adaptation at the eyepiece.

TRUE NORTH HELP
Type in your local magnetic declination and the app corrects a compass reading toward true north, so aiming the mount base becomes far less of a guess before you ever look through the polar scope.

SETUP WIZARD
A five-step wizard walks you through the physical routine in order: level the tripod, set the latitude scale, aim at the celestial pole, centre the guide star, then fine-tune and lock the mount.

SITES AND LOG
Save your observing sites by name with their coordinates and recall them in a tap, and keep an alignment log of your sessions so you can compare how each night went.

WHAT TO EXPECT
Coordinates can be typed by hand, so device GPS is not required to get a reading. This is a clock-and-reticle aid for manual polar alignment: it does not do plate-solving, camera live-view alignment, automatic star detection, or GoTo mount control. The app shows AdMob banner ads, with an optional rewarded-ad unlock for a feature that lasts 24 hours.

GET ALIGNED
Whether you are chasing sharp long-exposure astrophotography or simply want cleaner visual tracking, Polar Alignment gives you a clear reticle target for a solid polar alignment at the start of every session.
Polar scope reticle for equatorial mounts: place Polaris on your clock target
Updated on
Sep 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    App activity and App info and performance
  • Data is encrypted in transit

What’s new

Initial release of Polar Alignment.
- On-device clock position, hour angle, local sidereal time and pole distance for Polaris and Sigma Octantis
- Generic and 36'-44' AccuAlign-style reticles, inverted view and Night (red) mode
- Magnetic declination correction toward true north
- Five-step setup wizard, saved observing sites and an alignment log
Clear skies and sharp stars.