Free, open-source GPU astrophotography processing for Windows, Linux & macOS: a guided PixInsight/Siril alternative for calibration, stacking, denoising and more (alpha).
cuda image-processing pytorch gpu-acceleration photometry deep-sky deconvolution fits astrophotography denoising plate-solving astronomy-software apple-silicon pyqt6 planetary-imaging xisf image-stacking astrophotography-software pixinsight-alternative siril-alternative
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Updated
Sep 1, 2026 - Python