MONTHLY REPORT OF SUNSPOTS OBSERVATION February 2010 KWASAN OBSERVATORY Yamasina Kyoto Japan 115mm Refractor Seeing : 1-5 OBSERVER : M.Kamobe, T.Tomioka, S.Yagi Date Time(U.T.) N-Hemisphere S-Hemisphere Total 10g+f Seeing h m g f g f g f 1 2 3 1 30 1 2 0 0 1 2 12 2/5 4 5 6 7 5 35 1 13 0 0 1 13 23 1/5 8 6 0 1 19 0 0 1 19 29 1/5 9 5 30 1 19 0 0 1 19 29 3/5 10 11 12 13 14 15 16 17 18 3 0 1 7 0 0 1 7 17 1/5 19 6 40 0 0 1 4 1 4 14 1/5 20 21 22 1 0 0 0 1 3 1 3 13 1/5 23 2 15 0 0 1 5 1 5 15 2/5 24 0 20 0 0 1 6 1 6 16 3/5 25 26 27 28 Sum 5 60 4 18 9 78 168 (R) 12.2 6.4 18.7 18.7 Days 9