Sunspot region AR13729
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/06/26 | 4 | 60 | DSO | S03E65 | |
| 2024/06/27 | 7 | 110 | DAI | S03E50 | |
| 2024/06/28 | 8 | 240 | EAO | S03E42 | |
| 2024/06/29 | 10 | 220 | EAO | S04E27 | |
| 2024/06/30 | 12 | 200 | EAI | S05E13 | |
| 2024/07/01 | 24 | 180 | EAI | S04W00 | |
| 2024/07/02 | 34 | 200 | EAI | S05W12 | |
| 2024/07/03 | 35 | 240 | FAI | S06W28 | |
| 2024/07/04 | 25 | 150 | FAI | S05W40 | |
| 2024/07/05 | 10 | 100 | EAO | S04W53 | |
| 2024/07/06 | 2 | 80 | HAX | S05W69 | |
| 2024/07/07 | 3 | 40 | CSO | S04W88 | |
| 2024/07/08 | 3 | 40 | CSO | S05W99 |
2024/06/26
2024/06/27
2024/06/28
2024/06/29
2024/06/30
2024/07/01
2024/07/02
2024/07/03
2024/07/04
2024/07/05
2024/07/06
2024/07/07
2024/07/08
|
2024/06/26
2024/06/27
2024/06/28
2024/06/29
2024/06/30
2024/07/01
2024/07/02
2024/07/03
2024/07/04
2024/07/05
2024/07/06
2024/07/07
2024/07/08
|
| C | M |
|---|---|
| 23 | 1 |
The top 10 solar flares from sunspot region 13729
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.5 | 2024/07/03 | 07:29 | 07:41 | 07:55 | |
| 2 | C8.6 | 2024/07/05 | 20:03 | 20:10 | 20:15 | |
| 3 | C7.2 | 2024/07/07 | 01:56 | 01:59 | 02:03 | |
| 4 | C6.1 | 2024/07/05 | 05:14 | 05:18 | 05:23 | |
| 5 | C6.1 | 2024/07/06 | 10:18 | 10:21 | 10:25 | |
| 6 | C4.8 | 2024/06/27 | 03:56 | 04:28 | 04:44 | |
| 7 | C3.2 | 2024/07/04 | 08:02 | 08:08 | 08:18 | |
| 8 | C2.8 | 2024/07/01 | 11:32 | 11:42 | 11:55 | |
| 9 | C2.6 | 2024/07/02 | 09:02 | 09:10 | 09:16 | |
| 10 | C2.5 | 2024/06/27 | 03:21 | 03:45 | 03:56 |
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
HUXt forecast has updated 2AR 4373 13Do the high-resolution sunspot counts point to more complex sunspots? 68Feb 8-9 CMEs 31Richard Carrington 1
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 121.7 +9.1 |
| Last 30 days | 133.6 +37.1 |