Supplementary data 1 for "Sunspot Observations by Hisako Koyama: 1945 - 1996" (doi: 10.1093/mnras/stz3345). This file shows Hisako Koyama's sunspot observations with her 3-cm aperture telescope from 1945 Sep 6 to 1946 Jan 23. The sunspot group numbers have been extracted from her sunspot drawings located in National Museum of Nature and Science of Japan. Reference Hayakawa et al. (2020) Sunspot Observations by Hisako Koyama: 1945 - 1996, Monthly Notices of Royal Astronomical Society, doi: 10.1093/mnras/stz3345 Abb. Meaning ------------------------------------------------------------------ YYYY - Year; MM - Month; DD - Date; H - Hour (UT); M - Minutes (UT); G - Sunspot group number (g) F - Individual sunspot number (f) Fa - Faculae; Se - Seeing condition; WN - Wolf Number (10g+f). The data blank shows the gap of observational data for the specified observational date. ------------------------------------------------------------------ YYYY MM DD H M G F Fa Se WN 1945 9 1 1945 9 2 1945 9 3 1945 9 4 1945 9 5 1945 9 6 15 23 2 6 5 26 1945 9 7 1945 9 8 1945 9 9 1945 9 10 1945 9 11 1945 9 12 1945 9 13 1945 9 14 1945 9 15 1945 9 16 1945 9 17 1945 9 18 1945 9 19 1945 9 20 7 40 1 2 7 12 1945 9 21 1945 9 22 1945 9 23 1945 9 24 1945 9 25 1945 9 26 8 0 2 *4 5 24 1945 9 27 1945 9 28 15 40 2 *5 2 5 25 1945 9 29 17 0 3 *5 1 7 35 1945 9 30 1945 10 1 8 5 3 13 7 43 1945 10 2 1945 10 3 1945 10 4 1945 10 5 1945 10 6 1945 10 7 1945 10 8 1945 10 9 1945 10 10 1945 10 11 1945 10 12 16 5 *1 *5 3 15 1945 10 13 16 45 2 5 5 25 1945 10 14 1945 10 15 8 55 2 5 5 25 1945 10 16 8 13 2 7 7 7 27 1945 10 17 1945 10 18 8 25 2 14 2 3 34 1945 10 19 1945 10 20 1945 10 21 1945 10 22 1945 10 23 1945 10 24 1945 10 25 1945 10 26 1945 10 27 9 15 4 11 3 3-5 51 1945 10 28 8 30 6 22 5 82 1945 10 29 9 15 6 21 3 3-5 81 1945 10 30 8 30 4 19 5 59 1945 10 31 1945 11 1 8 55 4 16 2 7 56 1945 11 2 10 40 3 4 3 3 34 1945 11 3 8 30 2 3 1 23 1945 11 4 9 15 2 4 5 24 1945 11 5 8 45 2 3 3 23 1945 11 6 9 17 2 4 1 7-5 24 1945 11 7 9 0 2 2 1 3-5 22 1945 11 8 1945 11 9 9 10 1 2 5 12 1945 11 10 9 50 2 2 1 7 22 1945 11 11 1945 11 12 1945 11 13 10 50 3 8 7 38 1945 11 14 1945 11 15 1945 11 16 7 5 3 7 3 37 1945 11 17 1945 11 18 10 50 2 13 7 33 1945 11 19 9 5 *3 *6 1 3-5 36 1945 11 20 1945 11 21 1945 11 22 1945 11 23 15 55 3 9 2 7 39 1945 11 24 10 7 *2 *11 1 3 31 1945 11 25 1945 11 26 1945 11 27 1945 11 28 1945 11 29 1945 11 30 1945 12 1 1945 12 2 1945 12 3 1945 12 4 1945 12 5 9 50 2 11 5 31 1945 12 6 11 0 2 11 5 31 1945 12 7 11 20 1 6 3-1 16 1945 12 8 1945 12 9 1945 12 10 1945 12 11 9 7 1 4 3-5 14 1945 12 12 10 45 1 3 5 13 1945 12 13 1945 12 14 1945 12 15 1945 12 16 1945 12 17 1945 12 18 1945 12 19 12 5 2 2 5-3 22 1945 12 20 1945 12 21 1945 12 22 1945 12 23 1945 12 24 1945 12 25 1945 12 26 10 8 2 2 7 22 1945 12 27 1945 12 28 1945 12 29 1945 12 30 1945 12 31 1946 1 1 1946 1 2 8 40 1 1 4-3 11 1946 1 3 11 40 3 3 3-5 33 1946 1 4 1946 1 5 9 32 2 3 5 23 1946 1 6 1946 1 7 1946 1 8 11 15 1 2 5-7 12 1946 1 9 1946 1 10 1946 1 11 10 20 1 1 5 11 1946 1 12 1946 1 13 1946 1 14 1946 1 15 1946 1 16 1946 1 17 1946 1 18 9 34 3 21 5-3 51 1946 1 19 1946 1 20 1946 1 21 1946 1 22 15 2 3 9 3 39 1946 1 23 10 6 3 13 7 43 1946 1 24 1946 1 25 1946 1 26 1946 1 27 1946 1 28 1946 1 29 1946 1 30 1946 1 31