MONTHLY REPORT OF SUNSPOTS OBSERVATION April 2026


KWASAN OBSERVATORY  Yamasina Kyoto Japan
100mm Refractor
Seeing : 1-5
OBSERVER : M.Kamobe,M.Teranishi,Y.Kawabata,M.Goto


Date Time(U.T.)  N-HemisphereS-HemisphereDisc Center Total        10g+f Seeing Observer
       h     m     g     f     g     f     g     f     g     f
  1
  2    1     30    8     28    2     11    5     32    10    39    139    2/5    K
  3    0     45    5     24    4     16    5     35    9     40    130    4/5    T
  4
  5
  6    2     15    5     18    1     4     2     15    6     22    82     2/5    K
  7    8     0     5     12    1     1     1     2     6     13    73     1/5    K
  8    1     30    4     15    2     2     1     1     6     17    77     3/5    T
  9    0     30    3     7     3     4     1     1     6     11    71     2/5    K
 10
 11    1     58    2     6     1     1     1     4     3     7     37     2/5    G
 12    5     13    1     6     1     1     1     6     2     7     27     4/5   YK
 13
 14    1     0     2     8     2     2     2     2     4     10    50     4/5    K
 15
 16    1     15    2     13    1     1     1     1     3     14    44     1/5    K
 17    1     45    2     14    1     1     1     12    3     15    45     4/5    T
 18    1     44    2     7     1     1     1     6     3     8     38     2/5   YK
 19    1     45    1     9     1     1     1     9     2     10    30     3/5    G
 20    1     15    1     11    1     1     1     11    2     12    32     4/5    K
 21    4     30    2     13    1     1     1     11    3     14    44     2/5    K
 22    0     30    3     18    2     3     0     0     5     21    71     4/5    T
 23
 24
 25
 26
 27    3     15    3     43    3     6     4     37    6     49    109    4/5    K
 28    1     45    3     40    4     7     4     30    7     47    117    3/5    K
 29
 30





            Sum    54   292    32    64    33   215               1216
            (R)  46.2        21.3        30.3                     67.6

     Days    18                                                                S:Sugiura
                                                                               K: Kamobe
                                                                               H:Himoto
                                                                               A:Anan
                                                                               MH:Hagino
                                                                               AK:Kwamura
                                                                               T:Teranishi
                                                                               D:Deguchi
                                                                               I:Imatani
                                                                               YK:Kawabata
                                                                               G:Goto