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
1 170 6 13 BXI 0.5 0.5 20 12
2 172 -13 -5 CSO 0.9 0.5 25 13
3 173 -7 42 BXI 0.3 0.2 60 3
4 174 -8 -42 AXX 0.1 0.1 ? 1
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