Sunspot region AR10909
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2006/09/07 | 15 | 50 | CSI | S08E25 | |
| 2006/09/08 | 5 | 30 | CAO | S09E09 | |
| 2006/09/09 | 15 | 60 | DSO | S09W04 | |
| 2006/09/10 | 14 | 80 | DSI | S08W17 | |
| 2006/09/11 | 10 | 80 | DRO | S11W30 | |
| 2006/09/12 | 5 | 30 | DRO | S10W46 | |
| 2006/09/13 | 3 | 20 | BXO | S09W60 | |
| 2006/09/14 | 2 | 60 | BXO | S09W80 | |
| 2006/09/15 | 1 | 30 | AXX | S08W95 |
| B | C |
|---|---|
| 21 | 2 |
The top 10 solar flares from sunspot region 10909
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C1.51 | 2006/09/14 | 07:27 | 07:35 | 07:49 | |
| 2 | C1.08 | 2006/09/13 | 04:07 | 04:16 | 04:21 | |
| 3 | B8.68 | 2006/09/10 | 06:49 | 07:23 | 08:15 | |
| 4 | B8.14 | 2006/09/08 | B1:01 | 10:58 | 11:46 | |
| 5 | B6.35 | 2006/09/08 | 01:30 | 01:39 | 01:47 | |
| 6 | B6.11 | 2006/09/07 | 06:28 | 07:46 | 08:28 | |
| 7 | B5.97 | 2006/09/14 | 12:23 | 12:41 | 12:47 | |
| 8 | B5.6 | 2006/09/09 | 07:10 | 07:22 | 07:46 | |
| 9 | B5.52 | 2006/09/09 | 03:04 | 03:16 | 03:26 | |
| 10 | B4.78 | 2006/09/08 | 02:34 | 02:39 | 02:45 |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Incoming & Unnumbered Active Regions 199Guess who’s back? AR4366! 2Do the high-resolution sunspot counts point to more complex sunspots? 74Solar cycle 25, solar maximum, is it over? 48Forum alert bar hidden at the bottom 5
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Current stretch | 4 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 78.9 -33.7 |
| Last 30 days | 86.6 -35.9 |