MONTHLY REPORT OF SUNSPOTS OBSERVATION April 2011


KWASAN OBSERVATORY  Yamasina Kyoto Japan
115mm Refractor
Seeing : 1-5
OBSERVER : M.Kamobe, S.Yagi, Y.Yamanaka


  Date   Time(U.T.) N-Hemisphere  S-Hemisphere  Total        10g+f   Seeing
           h    m     g      f      g      f      g    f
    1      1    10    2      12     1      6      3    18     48      3/5
    2
    3
    4      0    45    3      18     0      0      3    18     48      1/5
    5      0    30    4      9      1      1      5    10     60      3/5
    6      0    25    3      12     0      0      3    12     42      4/5
    7      2    0     4      16     0      0      4    16     56      2/5
    8
    9
   10
   11      2    15    2      16     0      0      2    16     36      2/5
   12      1    10    3      19     0      0      3    19     49      1/5
   13      4    30    5      34     0      0      5    34     84      4/5
   14      1    0     6      49     0      0      6    49     109     4/5
   15
   16
   17
   18      1    30    3      23     0      0      3    23     53      1/5
   19      3    30    4      30     1      2      5    32     82      4/5
   20
   21      1    0     2      17     2      12     4    29     69      4/5
   22
   23
   24
   25      5    15    1      3      2      16     3    19     49      3/5
   26      4    45    1      3      2      9      3    12     42      1/5
   27      1    30    2      13     3      9      5    22     72      2/5
   28
   29
   30



               Sum    45    274     12     55    57   329     899
               (R)  48.3          11.7          59.9         59.9

         Days   15