Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Dec,2022
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1                          
2 04 09 3 7 37 2 8 28 5 15 65 2  
3                          
4                          
5                          
6 04 47 5 25 75 1 15 25 6 40 100 1  
7                          
8                          
9 03 31 7 35 105 2 10 30 9 45 135 4  
10                          
11 03 40 4 19 59 3 8 38 7 27 97 1  
12 03 19 5 18 68 6 29 89 11 47 157 3 休館日キュウカンビ
13                          
14                          
15                          
16 03 28 2 3 23 5 35 85 7 38 108 1  
17                          
18                          
19                          
20                          
21                          
22 01 07 2 7 27 4 4 44 6 11 71 1 AM
23                          
24 03 49 3 16 46 2 2 22 5 18 68 1  
25                          
26                          
27                          
28 03 27 4 21 61 2 5 25 6 26 86 3  
29                          
30                          
31                          
  Total 35 151 501 27 116 386 62 267 887   R=k(10g+f)
  Mean     55.7     42.9     98.6   k=1
  obs day 9