Sunspot region AR12818
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/04/20 | 1 | 90 | HSX | S17E66 | |
| 2021/04/21 | 1 | 40 | HSX | S17E52 | |
| 2021/04/22 | 1 | 50 | HSX | S17E39 | |
| 2021/04/23 | 1 | 50 | HSX | S17E25 | |
| 2021/04/24 | 1 | 40 | HSX | S16E10 | |
| 2021/04/25 | 1 | 40 | HSX | S16W01 | |
| 2021/04/26 | 1 | 40 | HSX | S16W14 | |
| 2021/04/27 | 1 | 10 | HSX | S17W27 | |
| 2021/04/28 | 1 | 10 | HSX | S17W41 | |
| 2021/04/29 | 1 | 20 | HSX | S15W52 | |
| 2021/04/30 | 1 | 20 | HSX | S16W67 | |
| 2021/05/01 | 1 | 10 | AXX | S15W78 |
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
2021/04/26
2021/04/27
2021/04/28
2021/04/29
2021/04/30
2021/05/01
|
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
2021/04/26
2021/04/27
2021/04/28
2021/04/29
2021/04/30
2021/05/01
|
| B |
|---|
| 2 |
The top 2 solar flares from sunspot region 12818
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B1.9 | 2021/04/30 | 04:04 | 04:17 | 04:33 | |
| 2 | B1.4 | 2021/04/30 | 04:48 | 04:55 | 05:02 |
Latest news
Saturday, 1 June 2024
Double impulsive X-class flares
Wednesday, 29 May 2024
X1.4 solar flare from sunspot region 3697
Monday, 27 May 2024
X2.9 solar flare, Welcome back 3664?
Latest forum messages
AR 3697 287Region 3697 2024/06/01 CME 8[Forum] Become a SWL Community supporter! 11Growth of Cycle 25 457Unproven theories 576
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Space weather facts
| Last X-flare | 2024/06/01 | X1.3 |
| Last M-flare | 2024/05/31 | M1.0 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 147.7 +4.8 |