Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Feb,2016
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 02 40 4 55 95 1 6 16 5 61 111 4  
11 03 42 4 23 63 1 2 12 5 25 75 1  
12                          
13                          
14                          
15                          
16                          
17                          
18                          
19                          
20                          
21                          
22                          
23                          
24                          
25                          
26                          
27                          
28                          
29                          
  Total 8 78 158 2 8 28 10 86 186   R=k(10g+f)
  Mean     79.0     14.0     93.0   k=1
  obs day 2