Supplementary data 1 of Hayakawa et al. (2021, Astrophysical Journal, 909, 194; doi: 10.3847/1538-4357/abdd34) 'Daniel Moegling’s sunspot observations in 1626 – 1629: A manuscript reference for the solar activity before the Maunder Minimum'. The sunspot group numbers have been extracted from his manuscript (HS 228) in the Universitäts- und Landesbibliothek Darmstadt. Reference: Hayakawa et al. (2021) Daniel Moegling’s sunspot observations in 1626 – 1629: A manuscript reference for the solar activity before the Maunder Minimum, Astrophysical Journal, 909, 194. doi: 10.3847/1538-4357/abdd34 Abb. Meaning ------------------------------------------------------------------ J-Y - Year in the Julian Calendar; J-M - Month in the Julian Calendar; J-D - Date in the Julian Calendar; G-Y - Year in the Gregorian Calendar; G-M - Month in the Gregorian Calendar; G-D - Date in the Gregorian Calendar; G - Sunspot group number; f. - Reference folio number in Moegling's manuscript; n. - Notes. The data blank shows the gap of observational data for the specified observational date. ------------------------------------------------------------------ J-Y J-M J-D G-Y G-M G-D G f. f. n. 1626 6 23 1626 7 3 1 1a 2a 1626 6 24 1626 7 4 1 1a 2a 1626 6 26 1626 7 6 2 1a 2a 1626 6 27 1626 7 7 2 1a 2a 1626 6 28 1626 7 8 1 1a 2a 1626 6 29 1626 7 9 1 1a 2a 1626 6 30 1626 7 10 1 1a 1626 7 1 1626 7 11 2 1a 2a 1626 7 2 1626 7 12 1 1a 1626 7 4 1626 7 14 1 1a 1626 7 5 1626 7 15 1 1a 1626 7 6 1626 7 16 1 1a 1626 7 11 1626 7 21 1 1a 2a 1626 7 12 1626 7 22 1 1a 2a 1626 7 13 1626 7 23 1 1a 2a 1626 7 14 1626 7 24 1 1a 2a 1626 7 15 1626 7 25 1 1a 2a 1626 7 20 1626 7 30 1 1a 4a 1626 7 21 1626 7 31 1 1a 1626 7 22 1626 8 1 1 1b 1626 7 23 1626 8 2 1 1b 1626 7 24 1626 8 3 1 1b 2a 1626 7 25 1626 8 4 1 1b 2a 1626 7 26 1626 8 5 1 1b 1626 7 27 1626 8 6 1 1b 2a 1626 7 28 1626 8 7 1 1b 1626 8 3 1626 8 13 1 1b 4a 1626 8 4 1626 8 14 1 1b 1626 8 7 1626 8 17 0 5a text 1626 8 8 1626 8 18 0 5a text 1626 8 15 1626 8 25 2 1b 2a 1626 8 17 1626 8 27 2 1b 2a+7a 1626 8 20 1626 8 30 3 1b+5b 2a+7a+7b 1626 8 21 1626 8 31 5 1b+6a 2a+7a+7b+8b+9a+10a+12a 1626 8 22 1626 9 1 5 1b+6b 2a+7a+7b+8b+9a+10a+12a 1626 8 24 1626 9 3 3 8a 8b+9a+10a+12a 1626 8 25 1626 9 4 2 9b 10a+12a 1626 8 27 1626 9 6 1 10b 10a+12a 1626 8 28 1626 9 7 2 11a 10a+12a 1626 8 29 1626 9 8 1 11b 12a 1626 8 30 1626 9 9 0 12a text 1626 8 31 1626 9 10 0 12a text 1626 9 1 1626 9 11 0 12a text 1626 9 2 1626 9 12 0 12a text 1626 9 3 1626 9 13 0 12a text 1626 9 4 1626 9 14 0 12a text 1626 9 7 1626 9 17 0 12a text 1626 9 10 1626 9 20 4 12b 16a 1626 9 11 1626 9 21 4 13a 16a 1626 9 14 1626 9 24 4 13b 15b/16a 1626 9 16 1626 9 26 5 14a 15b/16a 1626 9 21 1626 10 1 1 14b 15b 1626 9 22 1626 10 2 1 15a 15b 1626 9 23 1626 10 3 0 16a text 1626 9 24 1626 10 4 0 16a text 1626 9 25 1626 10 5 0 16a text 1626 9 28 1626 10 8 0 16a text 1626 10 2 1626 10 12 0 16a text 1626 10 6 1626 10 16 several 16a text 1626 10 7 1626 10 17 3 16b 1626 10 10 1626 10 20 several 16b text 1626 10 16 1626 10 26 0 16b text 1626 10 17 1626 10 27 0 16b text 1626 10 22 1626 11 1 0 16b text 1626 10 25 1626 11 4 0 16b text 1626 11 15 1626 11 25 0 16b text 1626 11 16 1626 11 26 0 16b text 1626 11 17 1626 11 27 0 16b text 1626 11 18 1626 11 28 0 16b text 1626 11 19 1626 11 29 0 16b text 1626 11 20 1626 11 30 0 16b text 1626 11 23 1626 12 3 0 16b text 1626 12 4 1626 12 14 0 16b text 1626 12 8 1626 12 18 2 17a 1626 12 13 1626 12 23 2 17b 1626 12 14 1626 12 24 2 18a 1626 12 15 1626 12 25 1 18b 1627 2 15 1627 2 25 0 18b text 1627 2 19 1627 3 1 0 18b text 1627 2 20 1627 3 2 0 18b text 1627 2 21 1627 3 3 several 18b text 1627 6 20 1627 6 30 0 18b text 1627 6 22 1627 7 2 1 19b 22a 1627 6 23 1627 7 3 1 20a 22a 1627 6 25 1627 7 5 1 20b 22a 1627 6 28 1627 7 8 1 21a 22a 1627 6 30 1627 7 10 1 21b 22a 1627 7 5 1627 7 15 2 22b 25a 1627 7 7 1627 7 17 2 23a 25a 1627 7 8 1627 7 18 1 23b 25a 1627 7 9 1627 7 19 1 24a 25a 1627 7 20 1627 7 30 1 25b 27a 1627 7 24 1627 8 3 1 26a 27a 1627 7 25 1627 8 4 1 26b 27a 1627 8 7 1627 8 17 1 28a 1627 8 8 1627 8 18 1 28a 1627 8 9 1627 8 19 1 28a 1627 8 10 1627 8 20 1 28a 1627 8 12 1627 8 22 0 28a text 1628 1 26 1628 2 5 1 28b 29b 1628 1 30 1628 2 9 3 29a 29b 1628 2 11 1628 2 21 1 30a 1628 5 20 1628 5 30 2 30b 1628 6 12 1628 6 22 1 31a 1628 8 1 1628 8 11 1 31b 1628 8 2 1628 8 12 2 32a 1628 8 27 1628 9 6 1 32b 1628 8 30 1628 9 9 1 33a 1628 9 7 1628 9 17 1 33b 1628 9 10 1628 9 20 1 34a 1628 10 10 1628 10 20 1 34b 1628 10 15 1628 10 25 1 35a 1628 10 18 1628 10 28 2 35b 1629 2 17 1629 2 27 2 36a 1629 2 18 1629 2 28 2 36a 1629 3 17 1629 3 27 1 36b 1629 3 18 1629 3 28 1 36b 1629 3 19 1629 3 29 1 36b 1629 3 20 1629 3 30 2 36b 1629 3 21 1629 3 31 2 36b 1629 3 22 1629 4 1 2 36b 1629 3 23 1629 4 2 2 36b 1629 3 24 1629 4 3 2 36b 1629 5 11 1629 5 21 1 37a 1629 5 12 1629 5 22 1 37a 1629 5 13 1629 5 23 1 37a 1629 5 16 1629 5 26 1 37a 1629 5 17 1629 5 27 1 37a 1629 5 25 1629 6 4 1 38a 1629 5 26 1629 6 5 1 38a 1629 5 27 1629 6 6 1 38a 1629 5 28 1629 6 7 1 38a 1629 5 29 1629 6 8 1 38a 1629 5 31 1629 6 10 1 38a 1629 6 1 1629 6 11 1 38a 1629 6 15 1629 6 25 1 38a 1629 6 16 1629 6 26 1 38a