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
31
17
-19.5
D
4.9
3.9
31
3
2
33
62
-25
B
0.2
0.1
77
2