Sunspot Records by Antonio Colla at the End of the Dalton Minimum Original source: V.M.S. Carrasco, C. Bertolin, F. Domínguez-Castro, L. de Ferri, M.C. Gallego, J.M. Vaquero, 2020. FIRST COLUMN - year of the observation SECOND COLUMN - month of the observation THIRD COLUMN - day of the observation FOURTH COLUMN - number of sunspot groups FIFTH COLUMN - number of single sunspots SIXTH COLUMN - 1 if it is an active day (at least one sunspot observed on the solar disc) and 0 for quiet days (no sunspot on the solar disc) SEVENTH COLUMN - "TEXT" if the information was found in textual reports and "DRAWING" if it is extracted from sunspot drawings YEAR MONTH DAY GROUPS SUNSPOTS AD/QD INFORMATION 1830 2 14 3 1 TEXT 1834 10 28 1 TEXT 1834 11 16 1 TEXT 1835 2 7 1 2 1 DRAWING 1835 4 6 3 7 1 DRAWING 1835 4 9 4 14 1 DRAWING 1835 4 12 4 6 1 DRAWING 1835 5 6 5 11 1 DRAWING 1835 6 3 2 2 1 DRAWING 1835 6 6 3 3 1 DRAWING 1835 6 26 4 7 1 DRAWING 1835 9 24 7 23 1 DRAWING 1835 12 31 1 TEXT 1836 4 18 10 19 1 DRAWING 1836 6 10 10 23 1 DRAWING 1836 7 13 1 TEXT 1836 7 24 1 TEXT 1836 9 2 1 TEXT 1836 9 25 1 TEXT 1836 10 19 1 TEXT 1837 1 3 7 9 1 DRAWING 1837 2 2 8 22 1 DRAWING 1837 2 17 6 15 1 DRAWING 1837 5 30 1 TEXT 1837 6 4 1 TEXT 1837 6 19 1 TEXT 1837 6 28 1 TEXT 1837 7 7 1 TEXT 1837 7 26 1 TEXT 1837 12 17 1 TEXT 1838 1 11 1 TEXT 1838 3 19 1 TEXT 1838 3 30 1 TEXT 1838 5 9 1 TEXT 1838 5 12 1 TEXT 1838 5 19 1 TEXT 1838 5 24 1 TEXT 1838 5 29 1 TEXT 1838 7 9 1 TEXT 1838 7 10 1 TEXT 1838 8 20 1 TEXT 1838 9 3 1 TEXT 1838 9 18 1 TEXT 1838 10 26 1 TEXT 1839 1 24 1 TEXT 1839 2 2 1 TEXT 1839 2 19 1 TEXT 1839 2 23 1 TEXT 1839 2 28 1 TEXT 1839 3 13 1 TEXT 1839 4 4 1 TEXT 1839 4 16 1 TEXT 1839 4 23 1 TEXT 1839 4 29 1 TEXT 1839 9 25 1 TEXT 1841 4 7 1 TEXT 1841 4 8 1 TEXT 1841 4 9 1 TEXT 1841 5 5 2 1 TEXT 1841 5 6 2 1 TEXT 1841 5 7 2 1 TEXT 1841 7 7 1 TEXT 1841 7 8 1 TEXT 1841 7 9 1 TEXT 1842 6 29 1 1 TEXT 1842 6 30 1 1 TEXT 1842 7 1 1 1 TEXT 1843 4 29 1 1 TEXT 1843 4 30 1 1 TEXT 1843 5 1 1 1 TEXT 1843 5 2 1 1 TEXT