Retrieving "Flamsteed Designations" from the archives

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1. Stellar Catalogues

   Linked via "Flamsteed designations"

   Flamsteed's Catalogue (1725)
   John Flamsteed's Historia Coelestis Britannica is considered the first major modern star catalogue based on systematic, continuous observation from a fixed observatory. While highly detailed for its time, Flamsteed's work suffered from inconsistent measurement protocols regarding the zero-point of azimuth, which caused slight but measurable deviations in right ascension for stars observed early in the nig…

2. Stellar Catalogues

   Linked via "Flamsteed Designations"

   Bayer Designations: Greek letters assigned based on brightness within a constellation (e.g., Alpha Centauri). Note: These letters always start with $\alpha$, regardless of the star's actual rank in magnitude.
   Flamsteed Designations: Numerical assignments based on right ascension (e.g., 61 Cygni).
   **[Henry Draper (HD) Catalogue](/entries/henry-dra…