MONTHLY REPORT OF SUNSPOTS OBSERVATION April 2013 KWASAN OBSERVATORY Yamasina Kyoto Japan 115mm Refractor Seeing : 1-5 OBSERVER : M.Kamobe, M.Hagino, S.Yago,T.Anan Date Time(U.T.) N-Hemisphere S-Hemisphere Total 10g+f Seeing h m g f g f g f 1 2 0 3 5 2 4 5 9 59 1/5 2 3 4 2 10 5 9 2 7 7 16 86 3/5 5 2 10 5 11 2 6 7 17 87 3/5 6 7 8 1 30 5 29 2 4 7 33 103 2/5 9 10 5 0 4 17 2 7 6 24 84 2/5 11 12 13 14 15 1 0 2 8 4 13 6 21 81 4/5 16 17 18 1 50 1 2 4 28 5 30 80 5/5 19 20 21 22 1 50 2 30 2 3 4 33 73 2/5 23 24 25 5 10 5 18 2 8 7 26 96 3/5 26 1 35 4 9 2 3 6 12 72 2/5 27 28 29 3 30 2 30 4 28 6 58 118 3/5 30 Sum 38 168 28 111 66 279 939 (R) 49.8 35.5 85.4 85.4 Days 11