Sunspot Observation
Nayoro Observatory
128mm Refractor  Canon EOS7D Herschel Prism+G540nm Filter
Observer  Fumitake Watanabe
Oct,2023
Date Time(UT)   North     South     Total   Seeing memo
Day h m g f R g f R g f R    
1                          
2                          
3 06 49 5 40 90 3 24 54 8 64 144 2  
4 06 50 4 55 95 4 24 64 8 79 159 3  
5                          
6                          
7                          
8 03 29 6 51 111 3 23 53 9 74 164 3  
9 04 35 6 36 96 5 36 86 11 72 182 3  
10 00 08 5 15 65 4 16 56 9 31 121 2 AM(休館日キュウカンビ)
11 00 00 6 28 88 3 21 51 9 49 139 3 AM(休日キュウジツ)
12 04 59 6 25 85 3 26 56 9 51 141 2  
13 03 19 4 19 59 2 8 28 6 27 87 2  
14 03 37 5 31 81 2 16 36 7 47 117 3  
15 03 25 4 27 67 2 13 33 6 40 100 3  
16                          
17 03 46 3 18 48 2 2 22 5 20 70 1  
18 03 36 3 17 47 1 1 11 4 18 58 1  
19                          
20                          
21 03 25 5 13 63 1 3 13 6 16 76 2  
22 05 52 2 7 27 1 1 11 3 8 38 1  
23                          
24 03 28 1 4 14 2 4 24 3 8 38 1  
25 03 17 1 2 12 2 8 28 3 10 40 3  
26 03 39 3 8 38 3 14 44 6 22 82 4 休日キュウジツ
27                          
28                          
29                          
30 04 04 2 20 40 1 12 22 3 32 62 2  
31                          
  Total 71 416 1126 44 252 692 115 668 1818   R=k(10g+f)
  Mean     62.6     38.4     101.0   k=1
  obs day 18