Sunspot region AR12871
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/18 | 1 | 30 | HSX | S28E73 | |
| 2021/09/19 | 3 | 60 | DAO | S27E59 | |
| 2021/09/20 | 6 | 240 | DAO | S28E47 | |
| 2021/09/21 | 8 | 310 | DKO | S28E37 | |
| 2021/09/22 | 7 | 250 | DKO | S29E25 | |
| 2021/09/23 | 11 | 210 | DAO | S28E10 | |
| 2021/09/24 | 8 | 140 | DAO | S25E01 | |
| 2021/09/25 | 9 | 140 | DAC | S28W13 | |
| 2021/09/26 | 10 | 90 | DAI | S15W49 | |
| 2021/09/27 | 6 | 70 | CSO | S27W39 | |
| 2021/09/28 | 1 | 30 | HRX | S29W52 | |
| 2021/09/29 | 1 | 10 | AXX | S28W66 | |
| 2021/09/30 | 1 | 10 | AXX | S28W79 |
2021/09/18
2021/09/19
2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
2021/09/28
2021/09/29
2021/09/30
|
2021/09/18
2021/09/19
2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
2021/09/28
2021/09/29
2021/09/30
|
| B | C | M |
|---|---|---|
| 89 | 16 | 2 |
The top 10 solar flares from sunspot region 12871
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | M2.8 | 2021/09/23 | 04:35 | 04:42 | 04:50 | |
| 2 | M1.89 | 2021/09/23 | 15:23 | 15:28 | 15:39 | |
| 3 | C5.5 | 2021/09/17 | 04:07 | 04:28 | 04:44 | |
| 4 | C5.3 | 2021/09/23 | 04:17 | 04:32 | 04:35 | |
| 5 | C3.5 | 2021/09/17 | 04:09 | 04:20 | 04:48 | |
| 6 | C3.0 | 2021/09/24 | 06:56 | 07:01 | 07:05 | |
| 7 | C2.6 | 2021/09/18 | 07:47 | 08:27 | 08:33 | |
| 8 | C1.7 | 2021/09/25 | 19:11 | 19:17 | 19:21 | |
| 9 | C1.6 | 2021/09/26 | 11:19 | 11:24 | 11:28 | |
| 10 | C1.6 | 2021/09/28 | 05:54 | 06:34 | 06:54 |
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| 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 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |