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Star Charts by Wil Tirion

Star Charts by Wil Tirion

by Astrovisuals

5 ratings
27 reviews
📚 Education
🔍 Reference
$3.99

Details

  • Released
  • Updated
  • January 13, 2011
  • December 1, 2025

Features

Developer

Astrovisuals
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About

Detailed star charts for serious observers using binoculars or telescopes. Features include stars down to sixth magnitude, deep sky objects, and location-based sky views. Customize chart layers for constellation boundaries, grids, and object names.

✓Detailed star charts
✓Stars down to sixth magnitude
✓Messier, NGC, and IC objects
✓Auto-detect location
✓Customizable chart layers
✓Search by constellation/star
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What's New in Star Charts by Wil Tirion

1.4.2

December 1, 2025

General updates for iOS26 and location permissions.

User reviews

Most RecentHighest RatedLowest Rated

Mis-labeled galaxy - M53

In map 13, in the constellation Coma Berenices, M53 is labelled M35. You might want to update that. I’m pretty sure it’s an error.
Solar EngineerSolar Engineer

Does this work anymore

Wonderful app, but I haven't used it for several years and now doesn't work in IOS 14.x... need help.
ShaggyDawg01ShaggyDawg01

Very Useful

I bought Star Atlas 2000.0 many years ago by Wil Tirion and find this App to be very similar. Easier than carrying the large paper atlas.
BC@AthloneBC@Athlone

Wil Tirion star chart

A good companion to ‘TriAtlas’ which is also available.
pjr2761pjr2761

Superb aesthetics

From the same buggers who did StarDisk.

A Norton Star Atlas for my phone.
Somewhere in EnglandSomewhere in England
See 22 more reviews

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FAQ

What is Star Charts by Wil Tirion?

Star Charts by Wil Tirion provides highly detailed celestial charts designed for observers using binoculars or telescopes. It's not a beginner-friendly planetarium app but offers in-depth views of the night sky.

What celestial objects are included in Star Charts by Wil Tirion?

The charts include stars down to sixth magnitude, double and variable stars, all Messier objects, and many NGC and IC catalogue objects. Additional layers can display constellation boundaries and deep sky object names.

How does Star Charts by Wil Tirion help with observation?

It automatically detects your location to display the sky overhead. You can choose between positive (white on black) or negative (black on white) charts and orient them north or south up to match your viewing position.

What is the price of Star Charts by Wil Tirion?

Star Charts by Wil Tirion is a paid application, priced at $3.99. There are no in-app purchases or advertisements mentioned.

On which devices can I use Star Charts by Wil Tirion?

Star Charts by Wil Tirion is available for iPhone, iPad, and iPod. It has an age rating of 4+.

How often is Star Charts by Wil Tirion updated?

The app was last updated on December 1, 2025, with version 1.4.2. It was originally released on January 13, 2011.

What do users like about Star Charts by Wil Tirion?

Users appreciate the detailed nature of the charts, making them suitable for serious observation. The inclusion of numerous deep sky objects and customizable layers are also highly valued.

Can I search for specific constellations in Star Charts by Wil Tirion?

Yes, you can search the charts by constellation name or major star name. This feature helps you quickly locate specific areas of the night sky.