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
73
9
32
Csi
6.2
6
46
10
2
74
-11
-30
Cri
1.3
0.8
47
17