CatalogueMessier

Laurent DURLIAT Education iPhoneiPadiPod touch

CatalogueMessier is a paid Education app for iPhone and iPad by Laurent DURLIAT. Requires iOS 17.0. Updated October 21, 2026.

Price: 0.99 USD; on the App Store
Size: 9 MB; Age 4+
Updated: Oct 21; 2026 · v2

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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 2 · Updated October 21, 2026

Compatible iPhone DUO. Personnalisation du nom des objets : le nom d'origine reste disponible dans la description. Dans la page de détail de l’objet, affichage du détail de l’acquisition sous les images. Valeur du Bortle lors de l'ajout d'une photo. Ajout du catalogue d'objets IC (Index Catalog). Ajout de la durée depuis la dernière prise photo d'un élément. Recherche multi-catalogues : dès qu’un texte est saisi, la recherche parcourt tous les catalogues activés (Messier, NGC, IC, Caldwell, Personnel), quel que soit le filtre sélectionné. Placeholder : « Rechercher dans les catalogues activés... » Quand un objet existe sous plusieurs désignations (ex. M31 / NGC 224 / C18), la liste et la fiche affichent une ligne du type : « aussi : NGC 224 · C18 ». Synchronisation photos & infos aux objets liés via la même désignation NGC ou IC (Messier ↔ NGC ↔ IC ↔ Caldwell ↔ Personnel avec le même NGC/IC). Corrections diverses.

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.

App details

CatalogueMessier is a paid Education app for iPhone, iPad and iPod touch, developed by Laurent DURLIAT. It requires iOS 17.0 or later, is 9 MB to download and is available in 9 languages. It was first released on July 3, 2025 and last updated on October 21, 2026.

Category: Education
Price: 0.99 USD
Version: 2
Size: 9 MB
Requires: iOS 17.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English, Dutch, French, German, Italian, Japanese, Portuguese, Chinese and 1 more
Age rating: 4+
Released: July 3, 2025
Last updated: October 21, 2026
Developer: Laurent DURLIAT

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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
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