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Screenshots

  • CatalogueMessier screenshot 1
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About CatalogueMessier

The application allows you to view the 110 objects in the Messier catalog, the 812 main objects in the New General Catalog (NGC), and the 109 objects in the Caldwell catalog. You can add photos taken during your observations for each object. You can filter objects by category (galaxies, nebulae, clusters) and view the observation order for the annual Messier Marathon. Statistics allow you to track the progress of your observations. Export your photos to a spreadsheet summarizing your observations. Statistics allow you to track the progress of your observations. 
Privacy: - No ads. - No data collection. - No registration (neither by email nor locally). - No tracking. - No location tracking. - No connection to a server to collect information. Languages: French, English, Italian, German, Dutch, Chinese, Japanese, Spanish, Portuguese, Dutch.

What’s new

Version 1.5 · Updated September 15, 2026

Added grid export to Apple Photos. Option to select which catalogue to export as a grid. Preview of the grid layout.

App privacy

The developer, Laurent DURLIAT, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to CatalogueMessier

Looking for apps like CatalogueMessier? Here are 6 similar apps on the App Store. The highest rated is Messier Journal (5.0/5), and 2 of the 6 are free to download.

CatalogueMessier vs. alternatives
App Rating Price Last updated Compare
CatalogueMessier – 0.99 USD September 15, 2026
Messier Journal 5.0 / 5 (3) 0.99 USD Aug 30, 2026 Compare
Caldwell Journal – 0.99 USD Nov 26, 2025 Compare
NOX: Star Map & Night Sky – Free Sep 22, 2026 Compare
dB Calc 5.0 / 5 (5) 0.99 USD Jul 9, 2025 Compare
Numération et groupement – 1.99 USD Apr 23, 2026 Compare
Fish Identifier: Fishy – Free Jul 15, 2025 Compare

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