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SunEntry: What are CG & CS?

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davidjayjackson
davidjayjackson's picture
SunEntry: What are CG & CS?

I can figure our all of the rest of the fields execpt CG &CS

 

Thanks,

David (JDAC)

HRHA
HRHA's picture
central groups, central sunspots, cg, cs

 

Hi David,

If you draw a circle of 1/2 the solar radius on the projection of the sun, then count the groups and sunspots:

day
see
UT
g
s
W
ng
ns
sg
ss
Obs
cg    cs

03
G
0130
7
45
115
5
34
2
11
    
5
37

04
E
0045
9
40
130
5
23
4
17
    
6
28

06
G
0045
6
40
100
3
23
3
17
    
2
15

07
G
0015
6
43
103
3
33
3
10
    
2
9

08
G
0045
6
45
105
3
36
3
9
    
2
33

10
G
0015
3
36
66
1
28
2
8
    
1
28

11
G
0300
4
47
87
2
32
2
15
    
1
30

12
G
0600
5
50
100
2
25
3
25
    
2
25

13
G
0030
6
52
112
3
23
3
29
    
3
31

14
E
0130
10
67
167
4
26
6
41
    
3
30

15
G
0015
9
57
147
3
16
6
41
    
3
23

16
G
0530
6
32
92
1
2
5
30
    
2
13

17
G
0130
8
46
126
1
2
7
44
    
3
15

18
G
0045
8
50
130
1
2
7
48
    
5
26

19
G
0015
8
54
134
1
2
7
52
    
5
33

21
E
0045
5
36
86
0
0
5
36
    
4
28

22
E
0100
5
39
89
0
0
5
39
    
2
19

23
E
0045
6
53
113
0
0
6
53
    
1
3

24
E
0100
6
56
116
1
4
5
52
    
1
19

27
G
0015
8
71
151
3
33
5
38
    
3
34

28
G
0500
9
75
165
4
38
5
37
    
6
43

29
F
0530
9
72
162
5
39
4
33
    
2
7

30
G
0045
10
80
180
5
35
5
45
    
4
32

 

Not too many folks (about 7 or 8) who do this but for those who do, there are columns in the SunEntry database. 

Rodney

 

davidjayjackson
davidjayjackson's picture
 Rodney, Thanks for the

 Rodney,

Thanks for the explanation

 

David

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