TREK: Stellar Cartography 2.0

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And I have the new edition of that particular boxed set of maps at hand here at home now. So: obsessing about Gamma Hydrae again. Because of Stellar Cartography. Because "The Deadly Years" and "The Vulcan Hello".

Why should Michael Burnham misremember the Shenzhou's location in the latter episode?

Wishing I knew how to search the GAIA DR 2 database for Gamma Hydrae's neighbours.