Sunspot region AR12877
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/26 | 4 | 10 | BXO | S13E06 | |
| 2021/09/27 | 4 | 20 | CRO | S17W12 | |
| 2021/09/28 | 10 | 30 | CRO | S18W27 | |
| 2021/09/29 | 14 | 130 | DAI | S18W41 | |
| 2021/09/30 | 13 | 200 | DAO | S18W52 | |
| 2021/10/01 | 4 | 200 | DAO | S18W66 | |
| 2021/10/02 | 2 | 150 | DAO | S20W78 | |
| 2021/10/03 | 1 | 30 | HSX | S21W93 | |
| 2021/10/04 | 1 | 30 | HSX | S21W0* |
2021/09/26
2021/09/27
2021/09/28
2021/09/29
2021/09/30
2021/10/01
2021/10/02
2021/10/03
2021/10/04
|
2021/09/26
2021/09/27
2021/09/28
2021/09/29
2021/09/30
2021/10/01
2021/10/02
2021/10/03
2021/10/04
|
| B | C |
|---|---|
| 28 | 7 |
The top 10 solar flares from sunspot region 12877
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.8 | 2021/09/29 | 21:46 | 21:56 | 22:02 | |
| 2 | C1.9 | 2021/10/03 | 07:07 | 07:22 | 07:46 | |
| 3 | C1.7 | 2021/09/29 | 22:34 | 22:45 | 22:50 | |
| 4 | C1.7 | 2021/10/02 | 22:23 | 22:40 | 22:57 | |
| 5 | C1.4 | 2021/09/29 | 22:10 | 22:13 | 22:17 | |
| 6 | C1.2 | 2021/09/30 | 12:43 | 12:49 | 12:55 | |
| 7 | C1.0 | 2021/09/29 | 14:15 | 14:21 | 14:25 | |
| 8 | B9.5 | 2021/09/30 | 05:42 | 05:49 | 05:55 | |
| 9 | B9.4 | 2021/10/04 | 02:52 | 03:07 | 03:18 | |
| 10 | B8.6 | 2021/09/29 | 11:11 | 11:19 | 11:25 |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk
Kiruna, Luleå, Sundsvall, Umeå
Latest news
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/05 | M1.0 |
| Last geomagnetic storm | 2025/04/05 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 150.4 +16.2 |
| Last 30 days | 131.6 -13.4 |