Top 50 solar flares of the year 2009

On this page you will find an overview of the strongest solar flares of the year 2009 together with links to more information in our archive and a video (if available) of the event.

RegionStartMaximumEnd
1C7.62009/12/18103518:4818:5518:58
2C7.22009/12/22103604:5004:5605:00
3C6.42009/12/23103610:0910:1710:20
4C5.32009/12/16103501:0201:2401:35
5C3.72009/12/16103512:3613:0213:20
6C3.42009/12/10-10:5610:5710:59
7C2.92009/12/19103500:1000:1400:17
8C2.72009/07/05102407:0707:1307:18
9C2.52009/12/21-07:0907:1707:22
10C2.22009/10/28102900:4500:5300:56
11C2.02009/09/25102600:4701:0201:16
12C1.72009/10/27-08:5709:2409:34
13C1.52009/10/25102902:1002:2602:37
14C1.42009/10/27-10:1210:2110:34
15C1.42009/12/16-21:3521:4922:25
16C1.32009/12/22-20:2320:2720:32
17C1.32009/10/26102922:3522:5022:53
18C1.22009/10/27-04:4905:0005:10
19C1.22009/10/27102907:0507:2407:30
20C1.22009/10/26102918:3819:0619:11
21C1.12009/12/22-15:1015:2615:35
22C1.12009/10/27-10:5511:0011:07
23C1.02009/12/21-09:1609:2609:32
24C1.02009/10/31102909:2309:3509:43
25C1.02009/07/06102416:5917:0517:11
26C1.02009/10/26102923:2923:3323:35
27C1.02009/12/22-14:0014:1014:20
28C1.02009/12/22-21:4522:2622:35
29B9.72009/12/17103515:0115:1315:17
30B9.12009/12/19103501:3601:5301:55
31B8.62009/12/23103803:3603:5604:05
32B8.62009/12/21-11:0211:1111:24
33B8.62009/12/16103508:3408:3708:39
34B8.52009/10/25-08:5909:1509:40
35B8.42009/12/21-14:2814:5615:12
36B8.42009/10/27-01:4901:5301:57
37B8.32009/07/04102404:2904:3704:42
38B8.32009/10/27-13:0713:1113:15
39B8.22009/10/27102917:2117:2617:30
40B7.82009/12/16-10:2810:3610:42
41B7.62009/12/27103911:2811:3911:57
42B7.42009/12/19-01:0401:0901:12
43B7.02009/12/17-09:3309:3709:41
44B7.02009/10/01102702:4702:5503:03
45B6.92009/12/16-07:4508:0108:16
46B6.92009/10/27-20:1520:2320:27
47B6.82009/10/27-09:5509:5910:04
48B6.62009/12/19-11:0811:1311:19
49B6.42009/12/16-03:1703:2003:26
50B6.42009/10/27-19:3519:3819:47
Current data suggest that it is not possible to see aurora now at middle latitudes

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Auroral activity Minor Severe
High latitude 25% 20%
Middle latitude 5% 1%
Predicted Kp max 3
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/01/14Kp5 (G1)
Number of spotless days in 2018:9
Current stretch spotless days:4

This day in history*

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12012M8.7
22003M2.5
32005M1.0
42003M1.0
52003C6.0
ApG
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2200029G2
3199921G1
4200320G1
5200519
*since 1994

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