Sunspot region AR8507
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 1999/04/04 | 5 | 10 | BXO | N12E58 | |
| 1999/04/05 | 6 | 10 | BXO | N11E45 | |
| 1999/04/06 | 11 | 50 | CSO | N12E32 | |
| 1999/04/07 | 11 | 30 | CSO | N12E18 | |
| 1999/04/08 | 14 | 80 | DAO | N11E05 | |
| 1999/04/09 | 11 | 70 | DSO | N12W10 | |
| 1999/04/10 | 5 | 50 | DSO | N11W23 | |
| 1999/04/11 | 6 | 20 | DRO | N11W37 | |
| 1999/04/12 | 4 | 10 | BXO | N11W49 |
| C |
|---|
| 4 |
The top 4 solar flares from sunspot region 8507
| Start | Maximum | End | ||||
|---|---|---|---|---|---|---|
| 1 | C2.77 | 1999/04/03 | 14:52 | 15:01 | 15:09 | |
| 2 | C1.18 | 1999/04/03 | 18:12 | 18:19 | 18:40 | |
| 3 | C1.09 | 1999/04/03 | 11:37 | 11:42 | 11:48 | |
| 4 | C1.08 | 1999/04/06 | 20:35 | 20:40 | 20:42 |
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Whitehorse, YT, Yellowknife, NTAnchorage, AK, Fairbanks, AK, Juneau, AK, Utqiagvik, AK
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Saturday, 22 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:37 UTC
Strong G3 geomagnetic storm watch for 23 March
Yesterday around 16 UTC an M1.2 solar flare took place around sunspot region 4028. The solar flare triggered a filament eruption which erupted from the center of the earth-facing solar disk.
12:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 75GW at 13:10 UTC
03:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 03:35 UTC
03:15 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 142 -12.6 |
| Last 30 days | 141.3 -10.4 |