vemmsunj

关于产品

VEMMSUNJ is an open-source sky-watching map for stargazers and satellite spotters. Key features: • Live satellite ground tracks & pass predictions • Dark-sky spots and observatory discovery • Red-light mode to protect your night vision • Personal sighting logs to track observations Free, MIT-licensed, and powered by NASA JPL, CelesTrak, and NOAA data. Built for clear nights and curious minds.

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