Sunspot region AR13450
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2023/09/27 | 2 | 30 | CRO | S18E66 | |
| 2023/09/28 | 8 | 70 | DAI | S17E56 | |
| 2023/09/29 | 13 | 140 | EAI | S18E43 | |
| 2023/09/30 | 12 | 170 | EAI | S18E27 | |
| 2023/10/01 | 20 | 180 | EAI | S20E18 | |
| 2023/10/02 | 25 | 220 | EAC | S18E04 | |
| 2023/10/03 | 19 | 140 | EAI | S19W10 | |
| 2023/10/04 | 13 | 110 | ESO | S33W23 | |
| 2023/10/05 | 13 | 90 | EAO | S23W37 | |
| 2023/10/06 | 2 | 10 | AXX | S19W55 | |
| 2023/10/07 | 1 | 10 | AXX | S19W67 |
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2023/09/27
2023/09/28
2023/09/29
2023/09/30
2023/10/01
2023/10/02
2023/10/03
2023/10/04
2023/10/05
2023/10/06
2023/10/07
|
| C | M |
|---|---|
| 36 | 1 |
The top 10 solar flares from sunspot region 13450
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.3 | 2023/09/28 | 08:58 | 09:07 | 09:11 | |
| 2 | C6.6 | 2023/09/30 | 21:39 | 21:45 | 21:52 | |
| 3 | C5.3 | 2023/09/28 | 00:10 | 00:19 | 00:23 | |
| 4 | C5.1 | 2023/09/30 | 14:35 | 14:44 | 14:57 | |
| 5 | C3.6 | 2023/10/01 | 05:10 | 05:15 | 05:21 | |
| 6 | C3.5 | 2023/10/03 | 09:31 | 09:40 | 09:47 | |
| 7 | C3.5 | 2023/10/03 | 16:56 | 17:03 | 17:07 | |
| 8 | C3.4 | 2023/09/28 | 06:01 | 06:11 | 06:16 | |
| 9 | C3.2 | 2023/10/02 | 04:08 | 04:26 | 04:42 | |
| 10 | C3.1 | 2023/09/28 | 13:56 | 14:04 | 14:09 |
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
Latest forum messages
Late 2026/04/01 Filament CME 85AR4409 129Space Weather Memes 814Comet C/2026 A1 (MAPS) for the southern hemisphere 38AR4403 39
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M7.6 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 133.3 +47.4 |
| Last 30 days | 96.1 +32 |
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