Sunspot positions from observations by Flaugergues in the Dalton Minimum
Sunspot positions from observations by Flaugergues in the Dalton Minimum
ABSTRACT French astronomer Honoré Flaugergues compiled astronomical observations in a series of handwritten notebooks for 1782–1830, which are preserved at Paris Observatory. We reviewed these manuscripts and encoded the records that contain sunspot measurements into a numerical table for further analysis. All measurements are timings, and we found three types …