I'm looking to create a database of relatively consistent measurements for various cosmic bodies. Please inform if there's a way to gather reproducible signatures, with the same set of instruments to derive the same measurements within a given margin of error.

If also possible, please link to an academically-trusted data source.

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    $\begingroup$ Terms like "simple database" and "unique" and "reproducible" and "good data source" all need to be defined, or better-yet, replaced. I think you question is both too broad and needs clarity, and right now theres no way to tell what a "right" answer would be. Is it possible to narrow this down and more clearly specify what it is you need? Thanks! $\endgroup$
    – uhoh
    Apr 6, 2021 at 22:41
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    $\begingroup$ thanks for the feedback, i'll edit $\endgroup$
    – irth
    Apr 6, 2021 at 22:43


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