Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Jun,2021
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1 00 58 0 0 0 2 6 26 2 6 26 2 AM
2                          
3                          
4 02 22 0 0 0 0 0 0 0 0 0 3 AM
5                          
6 00 17 0 0 0 0 0 0 0 0 0 2 AM
7 04 36 0 0 0 0 0 0 0 0 0 1  
8                          
9                          
10 04 11 0 0 0 0 0 0 0 0 0 1  
11 04 38 0 0 0 0 0 0 0 0 0 1  
12 00 10 0 0 0 0 0 0 0 0 0 4 AM
13 04 30 0 0 0 0 0 0 0 0 0 2  
14                          
15                          
16                          
17 03 18 0 0 0 1 1 11 1 1 11 3  
18                          
19                          
20 04 53 0 0 0 2 4 24 2 4 24 1  
21                          
22                          
23 03 28 1 1 11 2 4 24 3 5 35 2  
24 01 51 1 1 11 1 2 12 2 3 23 2 AM
25                          
26                          
27                          
28                          
29                          
30                          
31 03 31 0 0 0 0 0 0 0 0 0 4  
  Total 2 2 22 8 17 97 10 19 119   R=k(10g+f)
  Mean     1.7     7.5     9.2   k=1
  obs day 13