Sunspot region AR13500
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/11/23 | 6 | 520 | DKO | S18E65 | |
| 2023/11/24 | 6 | 530 | DKC | S19E51 | |
| 2023/11/25 | 13 | 560 | DKC | S17E32 | |
| 2023/11/26 | 10 | 470 | DKC | S19E22 | |
| 2023/11/27 | 12 | 320 | DKC | S19E09 | |
| 2023/11/28 | 12 | 160 | DKC | S20W06 | |
| 2023/11/29 | 25 | 210 | ESC | S19W19 | |
| 2023/11/30 | 24 | 300 | EKC | S18W30 | |
| 2023/12/01 | 15 | 280 | EKC | S18W44 | |
| 2023/12/02 | 12 | 270 | EKC | S18W57 | |
| 2023/12/03 | 9 | 250 | DKC | S17W73 | |
| 2023/12/04 | 4 | 180 | DAC | S18W85 | |
| 2023/12/05 | 4 | 180 | DAC | S18W98 |
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2023/11/23
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| C | M |
|---|---|
| 21 | 3 |
The top 10 solar flares from sunspot region 13500
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M9.82 | 2023/11/28 | 19:35 | 19:50 | 20:09 | |
| 2 | M3.48 | 2023/11/28 | 19:07 | 19:32 | 19:35 | |
| 3 | M1.0 | 2023/12/01 | 20:55 | 21:20 | 22:10 | |
| 4 | C6.7 | 2023/11/27 | 18:40 | 18:52 | 19:03 | |
| 5 | C5.2 | 2023/12/01 | 11:48 | 11:59 | 12:05 | |
| 6 | C4.7 | 2023/12/04 | 23:28 | 23:39 | 23:45 | |
| 7 | C3.8 | 2023/11/29 | 14:27 | 14:35 | 14:43 | |
| 8 | C3.3 | 2023/12/01 | 19:16 | 19:27 | 19:33 | |
| 9 | C3.1 | 2023/11/29 | 15:12 | 15:34 | 15:54 | |
| 10 | C3.1 | 2023/12/02 | 03:34 | 03:51 | 04:01 |
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
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 85.2 +7 |
| Last 30 days | 85.2 +8.6 |
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