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Schwabe

Observations by Samuel Heinrich Schwabe in 1825-1867
Paper Schwabe data
Contains method of measurements and data description. Submitted on Apr 19, 2013.
schwabe_tiltangles_v1.0_20150812.txt
Tilt angles of the revised groups in the Schwabe drawings. See Paper "Sunspot areas and tilt angles for solar cycles 7-10" for methods and format.
schwabe_v1.3_20150812.txt
Final file for paper "Sunspot areas and tilt angles for solar cycle 7-10". Updated group definitions, and sunspot areas and positions.
schwabe_v1.2_20141205.txt
Groups split or combined according to modern understanding. Last column: umbral areas in MSH updated. A "!" means it was inferred indirectly from a spot that most likely contains part of the penumbra (1825-1830).
schwabe_v1.1_20131218.txt
Umbral areas in microhemispheres added in last column. Several errors corrected.
schwabe_v1.0_20130531.txt
First official version of Schwabe data as of May 31, 2013
schwabe_v0.9_20130415.txt
Version 0.9 of Schwabe sunspot data as of 2013 Apr 15.