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 12 60.5 18.5 A 0.2 0.1 78 1
2 14 45.5 14.5 J 4 4 66 1
3 17 33 20.5 H 13.1 13 57 5
4 19 35 16 E 4.4 2 56 15
5 23 -17.5 -22.5 H 13 13 35 3
6 28 -51 18.5 E 6 5 71 7
7 30 -14.5 -23 B 0.2 0.1 33 3
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