Sunspot region AR12978
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2022/03/27 | 1 | 180 | HSX | S15E75 | |
| 2022/03/28 | 4 | 210 | ESO | S15E61 | |
| 2022/03/29 | 8 | 310 | DHO | S20E54 | |
| 2022/03/30 | 8 | 670 | EKO | S19E39 | |
| 2022/03/31 | 7 | 400 | EHO | S19E25 | |
| 2022/04/01 | 9 | 410 | EKI | S18E14 | |
| 2022/04/02 | 11 | 420 | CHI | S18W00 | |
| 2022/04/03 | 14 | 440 | CHI | S18W11 | |
| 2022/04/04 | 12 | 370 | EHI | S15W25 | |
| 2022/04/05 | 15 | 350 | EHI | S16W40 | |
| 2022/04/06 | 13 | 290 | EHI | S12W54 | |
| 2022/04/07 | 5 | 260 | CHO | S18W63 | |
| 2022/04/08 | 3 | 250 | CHO | S19W78 | |
| 2022/04/09 | 1 | 60 | HSX | S19W91 | |
| 2022/04/10 | 1 | 60 | HSX | S17W0* |
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2022/03/27
2022/03/28
2022/03/29
2022/03/30
2022/03/31
2022/04/01
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2022/04/04
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2022/04/06
2022/04/07
2022/04/08
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2022/04/10
|
| B | C |
|---|---|
| 3 | 31 |
The top 10 solar flares from sunspot region 12978
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C5.0 | 2022/04/10 | 02:30 | 02:41 | 02:50 | |
| 2 | C4.7 | 2022/04/09 | 11:16 | 11:24 | 11:34 | |
| 3 | C4.4 | 2022/04/01 | 06:15 | 06:22 | 06:38 | |
| 4 | C4.1 | 2022/03/28 | 23:54 | 00:10 | 00:23 | |
| 5 | C3.9 | 2022/03/29 | 15:03 | 15:19 | 15:30 | |
| 6 | C3.9 | 2022/03/31 | 14:29 | 14:38 | 14:46 | |
| 7 | C3.9 | 2022/04/01 | 06:38 | 06:47 | 06:55 | |
| 8 | C3.7 | 2022/04/09 | 11:02 | 11:10 | 11:16 | |
| 9 | C2.9 | 2022/03/31 | 14:02 | 14:13 | 14:29 | |
| 10 | C2.8 | 2022/04/01 | 13:38 | 13:42 | 13:47 |
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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