Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Feb,2015
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1                          
2                          
3 03 28 2 21 41 3 14 44 5 35 85 2  
4 03 26 3 39 69 2 6 26 5 45 95 3  
5 03 40 3 42 72 2 11 31 5 53 103 3  
6 03 26 3 27 57 3 19 49 6 46 106 2  
7 05 35 3 13 43 1 13 23 4 26 66 1  
8                          
9 05 35 4 12 52 1 17 27 5 29 79 2  
10                          
11                          
12                          
13                          
14                          
15                          
16                          
17 03 50 3 6 36 0 0 0 3 6 36 2  
18                          
19                          
20 04 43 3 9 39 2 10 30 5 19 69 3  
21 03 43 2 13 33 2 7 27 4 20 60 2  
22                          
23                          
24                          
25 03 49 1 17 27 0 0 0 1 17 27 3  
26 04 40 1 11 21 0 0 0 1 11 21 2  
27                          
28                          
  Total 28 210 490 16 97 257 44 307 747   R=k(10g+f)
  Mean     44.5     23.4     67.9   k=1
  obs day 11