Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Dec,2011
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1 03 58 5 15 65 2 4 24 7 19 89 1  
2 03 37 5 21 71 2 17 37 7 38 108 3  
3                          
4                          
5 05 25 6 16 76 3 11 41 9 27 117 1  
6                          
7 03 34 8 12 92 4 23 63 12 35 155 3  
8 00 13 7 14 84 5 13 63 12 27 147 2  
9                          
10                          
11 05 01 4 8 48 2 3 23 6 11 71 1  
12                          
13                          
14                          
15                          
16                          
17 03 40 2 6 26 3 8 38 5 14 64 3  
18 04 51 3 4 34 3 5 35 6 9 69 1  
19                          
20 03 12 4 12 52 3 20 50 7 32 102 3  
21 01 18 3 17 47 2 27 47 5 44 94 3  
22 03 28 3 15 45 1 9 19 4 24 64 2  
23                          
24                          
25 04 10 2 7 27 5 8 58 7 15 85 1  
26                          
27 05 32 2 5 25 4 16 56 6 21 81 2  
28                          
29                          
30                          
31                          
  Total 54 152 692 39 164 554 93 316 1246   R=k(10g+f)
  Mean   57.7     46.2     103.8   k=1
  obs day 12