Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Jun,2024
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1                          
2                          
3                          
4 03 07 6 32 92 1 3 13 7 35 105 2  
5                          
6                          
7                          
8 05 34 6 26 86 3 24 54 9 50 140 2  
9                          
10                          
11 04 44 6 28 88 7 42 112 13 70 200 3  
12                          
13 03 23 6 20 80 7 41 111 13 61 191 3  
14                          
15                          
16 04 29 4 12 52 7 21 91 11 33 143 2  
17 03 32 1 16 26 7 27 97 8 43 123 4  
18                          
19 01 03 5 19 69 5 17 67 10 36 136 3  
20 02 57 4 17 57 5 25 75 9 42 132 3  
21                          
22                          
23                          
24                          
25                          
26                          
27                          
28                          
29                          
30 00 01 3 14 44 3 3 33 6 17 77 4  
31                          
  Total 41 184 594 45 203 653 86 387 1247   R=k(10g+f)
  Mean     66.0     72.6     138.6   k=1
  obs day 9