Sunspot region AR12872
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2021/09/20 | 7 | 30 | CRO | N19E42 | |
| 2021/09/21 | 4 | 10 | BXO | N18E25 | |
| 2021/09/22 | 9 | 70 | CAI | N17E14 | |
| 2021/09/23 | 15 | 120 | CAI | N17E01 | |
| 2021/09/24 | 10 | 80 | CAO | N17W12 | |
| 2021/09/25 | 9 | 60 | CRO | N17W26 | |
| 2021/09/26 | 7 | 40 | CRO | N16W38 | |
| 2021/09/27 | 4 | 10 | BXO | N16W53 |
2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
|
2021/09/20
2021/09/21
2021/09/22
2021/09/23
2021/09/24
2021/09/25
2021/09/26
2021/09/27
|
| B |
|---|
| 5 |
The top 5 solar flares from sunspot region 12872
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | B4.2 | 2021/09/21 | 23:51 | 23:55 | 23:59 | |
| 2 | B3.7 | 2021/09/26 | 15:38 | 15:47 | 16:10 | |
| 3 | B3.4 | 2021/09/22 | 11:17 | 11:25 | 11:30 | |
| 4 | B1.9 | 2021/09/24 | 23:34 | 23:38 | 23:42 | |
| 5 | B1.8 | 2021/09/24 | 15:57 | 16:05 | 16:09 |
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MBCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
Support SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
01:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 01:41 UTC
Wednesday, 9 April 2025
08:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 76GW at 08:57 UTC
02:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:45 UTC
Tuesday, 8 April 2025
23:57 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 00:44 UTC
22:42 UTC - Solar flare
Moderate M1.57 flare
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 148.6 +14.4 |
| Last 30 days | 139.3 +3.1 |