Sunspot region AR14428
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2026/04/28 | 6 | 20 | CRO | S23E12 | |
| 2026/04/29 | 12 | 80 | DAI | S22W01 | |
| 2026/04/30 | 13 | 90 | DAI | S24W14 | |
| 2026/05/01 | 18 | 130 | DAI | S22W27 | |
| 2026/05/02 | 20 | 200 | DAI | S23W40 | |
| 2026/05/03 | 15 | 210 | DAI | S24W51 |
2026/04/28
2026/04/29
2026/04/30
2026/05/01
2026/05/02
2026/05/03
|
2026/04/28
2026/04/29
2026/04/30
2026/05/01
2026/05/02
2026/05/03
|
| C |
|---|
| 8 |
The top 8 solar flares from sunspot region 14428
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C3.5 | 2026/05/02 | 11:55 | 12:03 | 12:05 | |
| 2 | C3.5 | 2026/05/02 | 15:11 | 15:21 | 15:31 | |
| 3 | C3.1 | 2026/05/02 | 11:44 | 11:51 | 11:55 | |
| 4 | C2.7 | 2026/05/01 | 23:21 | 23:29 | 23:35 | |
| 5 | C2.5 | 2026/04/28 | 19:49 | 19:53 | 19:55 | |
| 6 | C2.2 | 2026/04/29 | 11:18 | 11:34 | 11:44 | |
| 7 | C1.5 | 2026/04/29 | 15:44 | 15:51 | 16:01 | |
| 8 | C1.4 | 2026/04/29 | 06:45 | 06:52 | 06:59 |
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
AR4429 4Incoming & Unnumbered Active Regions 312Filaments and prominences 550AR4420 225Current Farside Activity 474
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/04/28 | M1.11 |
| 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 | 145.5 +66.2 |
| Last 30 days | 91 -4.3 |
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