Web tool to explore and search astronomical data, designed for observatories and astrophotographers
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Updated
Sep 18, 2026 - PHP
Web tool to explore and search astronomical data, designed for observatories and astrophotographers
Catalog manager for astrophotographers — FITS/XISF metadata, frame-set clustering, calibration matching, master creation and export
The complete integrated solution for all of your astronomical imaging needs.
Fast visual culling for astrophotography sessions on macOS — blink through FITS/XISF subs, mark bad frames, pre-delete with undo. Metal GPU rendering, PixInsight-compatible STF stretch.
Iris is a zero-dependency, pure Go library for interoperating with ASCOM Alpaca exposure data structures and the FITS astronomical image format.
Astrophotography Image Viewer for macOS
Free, open-source GPU astrophotography processing for Windows, Linux & macOS: a guided PixInsight/Siril alternative for calibration, stacking, denoising and more (alpha).
XISF Image Library for Swift
Python application for organizing existing folders with large collections of FITS and XISF astrophotography images and provides support to automatically create folders that can be imported for stacking in software like PixInsight.
Prepare multi-session FITS/XISF datasets and calibration groups for PixInsight WBPP on Windows, macOS and Linux.
Elegant astronomy for TypeScript. Supercharged by Bun.
Read and write PixInsight XISF image files
Queryable index of a FITS/XISF image archive: scan directory trees into MariaDB, build queries, and hand matched lights plus their calibration frames to PixInsight WBPP.
XISF Image Library for .NET
Standalone clean-room C++ library for the XISF 1.0 format
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