Sunspot region AR12816
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/04/16 | 3 | 80 | CAO | S24E59 | |
| 2021/04/17 | 4 | 20 | CAO | S24E46 | |
| 2021/04/18 | 5 | 50 | CAO | S25E35 | |
| 2021/04/19 | 8 | 120 | DAI | S25E21 | |
| 2021/04/20 | 10 | 110 | CAO | S24E07 | |
| 2021/04/21 | 9 | 100 | CAO | S24W05 | |
| 2021/04/22 | 6 | 50 | CRO | S24W19 | |
| 2021/04/23 | 8 | 50 | CRO | S24W31 | |
| 2021/04/24 | 7 | 30 | CRO | S24W44 | |
| 2021/04/25 | 1 | 10 | AXX | S23W60 |
2021/04/16
2021/04/17
2021/04/18
2021/04/19
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
|
2021/04/16
2021/04/17
2021/04/18
2021/04/19
2021/04/20
2021/04/21
2021/04/22
2021/04/23
2021/04/24
2021/04/25
|
| B | C | M |
|---|---|---|
| 18 | 6 | 1 |
The top 10 solar flares from sunspot region 12816
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M1.1 | 2021/04/19 | 23:19 | 23:42 | 23:59 | |
| 2 | C3.9 | 2021/04/22 | 04:10 | 04:35 | 05:00 | |
| 3 | C2.7 | 2021/04/22 | 05:00 | 05:06 | 05:10 | |
| 4 | C2.6 | 2021/04/25 | 01:17 | 01:35 | 01:51 | |
| 5 | C1.4 | 2021/04/23 | 06:14 | 06:28 | 06:41 | |
| 6 | C1.3 | 2021/04/26 | 02:22 | 02:30 | 02:35 | |
| 7 | C1.0 | 2021/04/23 | 05:09 | 05:25 | 05:59 | |
| 8 | B9.6 | 2021/04/23 | 05:08 | 05:18 | 05:20 | |
| 9 | B8.4 | 2021/04/23 | 00:49 | 01:03 | 01:26 | |
| 10 | B8.2 | 2021/04/19 | 21:09 | 21:19 | 21:25 |
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/13 | M1.7 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 166 -0.4 |
| Last 30 days | 164 +16.8 |