How to Stack Seestar / Smart Telescope Images in Siril (Complete Workflow)

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This video walks through the end-to-end process of taking raw FITS or TIFF files exported from a Seestar S50, importing them into the free Siril software, performing image alignment and stacking, and applying post-processing adjustments to maximize contrast and detail. Justice Astro demonstrates practical settings for noise reduction, histogram stretching, and final export, making it directly applicable to anyone shooting deep-sky objects with a Seestar or similar smart telescope and wanting to process their captures beyond the device's built-in stacking.