Sunspot region AR9166
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2000/09/15 | 3 | 70 | DSO | S13E71 | |
| 2000/09/16 | 10 | 270 | DSI | S14E60 | |
| 2000/09/17 | 20 | 290 | EAI | S14E50 | |
| 2000/09/18 | 32 | 340 | EAI | S14E37 | |
| 2000/09/19 | 34 | 570 | EAI | S14E24 | |
| 2000/09/20 | 33 | 670 | DKC | S13E11 | |
| 2000/09/21 | 50 | 590 | EKI | S13W02 | |
| 2000/09/22 | 49 | 760 | EKO | S12W16 | |
| 2000/09/23 | 48 | 610 | EKI | S12W30 | |
| 2000/09/24 | 42 | 450 | EAI | S11W44 | |
| 2000/09/25 | 38 | 340 | EAI | S11W56 | |
| 2000/09/26 | 23 | 380 | DAI | S12W70 | |
| 2000/09/27 | 10 | 370 | DKI | S12W82 | |
| 2000/09/28 | 2 | 60 | HSX | S11W93 |
| C | M |
|---|---|
| 23 | 3 |
The top 10 solar flares from sunspot region 9166
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M6.27 | 2000/09/24 | 03:28 | 03:38 | 03:47 | |
| 2 | M4.93 | 2000/09/25 | 00:41 | 00:53 | 01:04 | |
| 3 | M1.24 | 2000/09/18 | 23:47 | 23:52 | 23:56 | |
| 4 | C8.73 | 2000/09/15 | 18:29 | 18:35 | 18:40 | |
| 5 | C8.2 | 2000/09/18 | 21:05 | 21:14 | 21:29 | |
| 6 | C7.16 | 2000/09/24 | 21:37 | 21:54 | 22:44 | |
| 7 | C7.13 | 2000/09/19 | 03:28 | 03:32 | 03:37 | |
| 8 | C6.33 | 2000/09/24 | 23:23 | 23:27 | 23:34 | |
| 9 | C6.24 | 2000/09/18 | 22:17 | 22:23 | 22:28 | |
| 10 | C6.09 | 2000/09/23 | 01:48 | 02:04 | 02:22 |
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
AR4392 (including CMEs) 112CH 31 HSS 17Growth of Cycle 25 987Incoming & Unnumbered Active Regions 224Current Farside Activity 418
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 82.4 +4.2 |
| Last 30 days | 62.7 -52.5 |