Sunspot region AR13873
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2024/10/24 | 3 | 240 | DAI | S10E77 | |
| 2024/10/25 | 5 | 120 | DAI | S10E63 | |
| 2024/10/26 | 5 | 120 | DAI | S10E49 | |
| 2024/10/27 | 5 | 90 | CAO | S10E35 | |
| 2024/10/28 | 15 | 100 | CAI | S12E21 | |
| 2024/10/29 | 10 | 70 | CAO | S08W36 | |
| 2024/10/30 | 9 | 40 | HAX | S08W06 | |
| 2024/10/31 | 4 | 40 | CAO | S12W18 | |
| 2024/11/01 | 1 | 30 | HAX | S12W29 | |
| 2024/11/02 | 1 | 20 | HAX | S10W45 | |
| 2024/11/03 | 2 | 20 | HAX | S10W58 | |
| 2024/11/04 | 1 | 20 | HRX | S08W73 | |
| 2024/11/05 | 1 | 10 | AXX | S09W84 |
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2024/10/24
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2024/10/27
2024/10/28
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| C | M | X |
|---|---|---|
| 2 | 3 | 1 |
The top 6 solar flares from sunspot region 13873
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | X1.86 | 2024/10/26 | 05:57 | 07:17 | 07:56 | |
| 2 | M9.5 | 2024/10/26 | 05:57 | 06:23 | 06:32 | |
| 3 | M1.1 | 2024/10/25 | 07:23 | 07:33 | 07:38 | |
| 4 | M1.1 | 2024/10/29 | 16:21 | 16:33 | 16:41 | |
| 5 | C4.0 | 2024/10/26 | 03:58 | 04:09 | 04:13 | |
| 6 | C2.7 | 2024/10/25 | 17:22 | 17:27 | 17:31 |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Geminid Meteor Shower 26Incoming & Unnumbered Active Regions 34Coronal Hole 06 53Returning Carrington 14SDO Magnetogram 27
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 131.8 +40 |
| Last 30 days | 109.8 +17.3 |