--- title: "CatalogueMessier — App Overview" url: https://marlvel.ai/apps/cataloguemessier category: Education developer: Laurent DURLIAT platforms: ios rating: N/A (0 ratings) pricing: paid report_level: overview generated: 2026-05-05 last_verified: "2026-05-05T08:19:32.819Z" --- > **Key Insight:** This is a privacy-first, offline-capable astronomical logging tool designed for serious hobbyists to catalog and track their deep-sky observations. | Metric | Value | |--------|-------| | Category | Education | | Rating | N/A ★ (0) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 1.3.11 | | Developer | Laurent DURLIAT | ## What is CatalogueMessier? CatalogueMessier is an astronomical reference tool that provides access to the Messier, NGC, and Caldwell catalogs. It enables users to document their observations with personal photos, track progress through statistics, and export data for record-keeping. ## Key Features - **Catalog Access**: Provides data for 110 Messier objects, 812 NGC objects, and 109 Caldwell objects. - **Observation Logging**: Allows users to attach personal photos to specific objects and export observation summaries to spreadsheets. - **Progress Tracking**: Includes built-in statistics to monitor observation progress and a dedicated view for the annual Messier Marathon. - **Privacy-Focused Design**: Operates without ads, user tracking, server connections, or mandatory registration. ## Who is it for? Amateur astronomers and stargazers interested in tracking and documenting deep-sky object observations. ## Links - [App Store](https://apps.apple.com/us/app/cataloguemessier/id6747948514?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/cataloguemessier) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/cataloguemessier).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*