Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Mar,2015
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1                          
2                          
3                          
4                          
5                          
6                          
7                          
8                          
9                          
10                          
11                          
12                          
13 06 36 1 2 12 4 51 91 5 53 103 5  
14                          
15                          
16                          
17                          
18 03 44 2 10 30 1 3 13 3 13 43 3  
19 04 26 3 5 35 1 1 11 4 6 46 2  
20                          
21 03 30 1 1 11 1 2 12 2 3 23 3  
22                          
23 02 16 4 18 58 4 25 65 8 43 123 4  
24 03 47 7 12 82 4 15 55 11 27 137 2  
25 06 58 5 9 59 4 25 65 9 34 124 4  
26 04 18 4 6 46 4 22 62 8 28 108 2  
27 03 41 5 8 58 2 8 28 7 16 86 1  
28                          
29                          
30 03 49 2 4 24 3 25 55 5 29 79 5  
31                          
  Total 34 75 415 28 177 457 62 252 872   R=k(10g+f)
  Mean     41.5     45.7     87.2   k=1
  obs day 10