Sunspot region AR13415
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/08/22 | 1 | 240 | HAX | S09E78 | |
| 2023/08/23 | 3 | 350 | DHO | S10E62 | |
| 2023/08/24 | 4 | 350 | DKO | S10E50 | |
| 2023/08/25 | 4 | 270 | DKO | S09E35 | |
| 2023/08/26 | 5 | 200 | DAO | S09E21 | |
| 2023/08/27 | 4 | 200 | DAO | S09E06 | |
| 2023/08/28 | 5 | 250 | DKO | S09W07 | |
| 2023/08/29 | 8 | 190 | DAO | S14W20 | |
| 2023/08/30 | 10 | 210 | DAO | S10W32 | |
| 2023/08/31 | 5 | 200 | DAO | S09W46 | |
| 2023/09/01 | 4 | 190 | DAO | S07W66 | |
| 2023/09/02 | 2 | 120 | DSO | S07W79 | |
| 2023/09/03 | 2 | 120 | CSO | S09W83 | |
| 2023/09/04 | 2 | 120 | CSO | S09W97 |
2023/08/22
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2023/08/28
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2023/08/31
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2023/08/22
2023/08/23
2023/08/24
2023/08/25
2023/08/26
2023/08/27
2023/08/28
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2023/08/30
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2023/09/01
2023/09/02
2023/09/03
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| C | M |
|---|---|
| 1 | 1 |
The top 2 solar flares from sunspot region 13415
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.4 | 2023/08/25 | 00:56 | 01:09 | 01:26 | |
| 2 | C2.8 | 2023/08/30 | 16:28 | 16:41 | 16:57 |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Unspecified geomagnetic activity 185AR4431 15Incoming & Unnumbered Active Regions 316Filaments and prominences 551AR4433 1
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/04 | M1.9 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 143 +63.7 |
| Last 30 days | 91.9 -4.8 |
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