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 4 -13 15 CSI 8.2 7 26 38
2 7 8 -20 DAI 3.7 1.5 35 17
3 9 10 -7.5 DRI 2 1.1 24 11
4 11 -17 -3.5 DRI 1.9 1.1 19 8
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