Seiza for Mac
This universal application and disk image are Developer ID signed, notarized by Apple, and stapled for normal Gatekeeper installation.
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Universal macOS 15+ application (Apple silicon and Intel)
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FITS, XISF, JPEG, PNG, and TIFF viewing
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Filter-aware FITS and XISF directory stacking with calibration, progress, cancellation, and 32-bit FITS output
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Live full-precision stretch stacks, background extraction, and light deconvolution
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Explicit local plate solving, catalog overlays, and WCS export
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Managed catalog download, verification, installation, and repair in Settings
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8- and 16-bit image export with optional overlays
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Finder Quick Look previews for FITS and XISF
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Mixed-format folder browsing with cached thumbnails
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Signed in-app updates with user-controlled checks and installs
