MONTHLY REPORT OF SUNSPOTS OBSERVATION April 2025


KWASAN OBSERVATORY  Yamasina Kyoto Japan
115mm 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
  3    1     45    4     11    3     26    4     29    7     37    107    2/5    K
  4    5     0     4     7     4     23    5     24    8     30    110    1/5    T
  5    4     33    4     5     4     20    4     19    8     25    105    1/5   YK
  6    3     35    4     5     4     24    2     19    8     29    109    3/5   YK
  7    1     45    3     4     5     34    3     29    8     38    118    3/5    K
  8    0     25    3     4     4     24    2     7     7     28    98     3/5    K
  9    5     0     4     12    3     18    3     13    7     30    100    2/5    T
 10
 11    6     15    5     24    2     5     2     3     7     29    99     3/5    T
 12    2     45    4     19    2     3     2     3     6     22    82     2/5    G
 13
 14    0     37    4     18    1     1     3     13    5     19    69     3/5    K
 15
 16    5     45    2     11    2     5     2     11    4     16    56     4/5    T
 17    0     40    3     11    3     9     2     9     6     20    80     4/5    K
 18    5     45    2     10    4     16    1     5     6     26    86     4/5    T
 19    5     0     2     10    3     15    1     9     5     25    75     4/5    G
 20
 21    7     45    3     13    5     17    4     21    8     30    110    2/5    K
 22    0     45    2     11    7     20    5     25    9     31    121    4/5    K
 23
 24    3     0     2     14    8     18    6     23    10    32    132    3/5    K
 25
 26
 27
 28
 29
 30

            Sum    55   189    64   278    51   262               1657
            (R)  43.5        54.0        45.4                     97.5

     Days    17                                                                S:Sugiura
                                                                               K: Kamobe
                                                                               H:Himoto
                                                                               A:Anan
                                                                               MH:Hagino
                                                                               AK:Kwamura
                                                                               T:Teranishi
                                                                               D:Deguchi
                                                                               I:Imatani
                                                                               YK:Kawabata
                                                                               G:Goto