Viewing archive of Wednesday, 30 September 1998 - Sunspot regions
| Sunspot number | New regions | Background flux | Maximum flux | M |
|---|---|---|---|---|
| 59 -27 | 0 | B4 | M4.1 | 1 |
Sunspot regions
Region 8338 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N31W84 | |
Region 8340 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -6 | 230 -90 | HSX | N19W82 | |
Solar flares on this day | ||||
| M4.1 | ||||
Region 8344 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 20 -20 | CSO | S21W75 | |
Region 8346 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -6 | 20 -30 | CSO | S28W25 | |
Solar flares on this day | ||||
| B6.4 | ||||
Region 8347 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -5 | 20 | CSO | S12W34 | |
Region 8348 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | AXX | N16E60 | |
Region 8349 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 0 -10 | AXX | S26E48 | |
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Oulu, RovaniemiArkhangelsk
Luleå
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20:00 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 19:44 UTC
19:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:59 UTC
18:33 UTC - Solar flare
Moderate M1.31 flare from sunspot region 4055
CME arrival, G3 storm watch
A coronal mass ejection has arrived at our planet. This is the first of possibly two coronal mass ejections that were expected to arrive from filament eruptions on April 12 and 13. The minor G1 geomagnetic storm threshold has already been reached and the NOAA SWPC has a strong G3 geomagnetic storm watch in place for tomorrow, 16 April. Keep an eye on the data here on this website in the hours ahead. There is more action to come!
18:12 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.15)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/15 | M1.2 |
| 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 | 128.8 -5.4 |
| Last 30 days | 129.1 -15.1 |