The aurora and solar activity archive

Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.

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September 1999

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Sun.
  

1

C9.5
Kp4+

2

C7.64
Kp3+

3

C2.5
Kp4

4

C1.46
Kp3+

5

C2.89
Kp3

6

C2.54
Kp2

7

C3.96
Kp4+

8

M2.01
Kp3

9

C4.79
Kp4-

10

C1.24
Kp4-

11

C1.53
Kp4

12

C3.54
G2

13

C7.06
G2

14

C4.06
G1

15

C4.16
G2

16

M1.11
G2

17

M3.06
Kp4+

18

C4.24
Kp4

19

M1.38
Kp3+

20

C4.04
Kp3+

21

M1.36
Kp4-

22

C7.54
G4

23

C1.77
G2

24

B9.31
Kp2

25

C1.06
Kp1+

26

C1.46
G1

27

C3.13
G2

28

C6.2
G1

29

C3.19
G1

30

C1.59
G1
   
       

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