Retrieving "Positional Accuracy" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Stellar Catalogues

   Linked via "positional accuracy"

   The Transition to Modern Astrometry
   The advent of the telescope in the early 17th century necessitated a complete revision of existing charts. Early telescopic catalogues, such as those produced by Tycho Brahe (posthumously published) and Johannes Hevelius, vastly increased the number of catalogued stars and improved positional accuracy, largely by minimizing the systematic errors inherent in earlier armillary sphere measurements.…