Basic Information
Number:
Date:
Standard Time:
International time:
P:
B_0:
L_0:
L:
  N S N+S
g
f
R
k R
weather:
visibility:
Note:
Observer:
Sunspot Information
No. Sunspot number longitude latitude type a a' radius Sunspot number
1 18 5 11.5 J 2.1 2 27 3
2 20 -10.5 14.5 J 8 6.2 34 12
3 21 -11.5 -17 A 0.2 0.1 23 2
4 22 -25.5 29.5 H 15 14.2 58 7
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