Viewing archive of Sunday, 9 May 1999 - Sunspot regions
| Sunspot number | New regions | Background flux | Maximum flux | C | M | X |
|---|---|---|---|---|---|---|
| 192 | 0 -1 | C3.14 | X1.1 | 7 | 2 | 1 |
Sunspot regions
Region 8525 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -5 | 150 30 | HSX | N17W49 | |
Region 8526 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 260 210 | EAO | N19W80 | |
Region 8531 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 10 | CRO | N19E08 | |
Region 8533 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 40 10 | CSO | N04E34 | |
Region 8534 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 60 20 | CSO | S17E35 | |
Region 8535 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 300 40 | DHO | N22E42 | |
Region 8536 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 10 | 70 40 | DSO | S24E25 | |
Region 8537 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -2 | 230 190 | EAO | N19W73 | |
Solar flares on this day | ||||
| C7.31 X1.1 | ||||
Region 8538 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 50 30 | CRO | N11W46 | |
Region 8539 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 50 20 | DSO | N14E31 | |
Region 8540 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 140 80 | EAO | S28E59 | |
Region 8541 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 130 | ESO | N22E67 | |
Solar flares on this day | ||||
| M1.64 C4.1 | ||||
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
ReykjavikCurrent 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, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
Latest news
Strong G3 geomagnetic storm watch for 23 March
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
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Latest alerts
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
01:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:36 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 140.3 -14.3 |
| Last 30 days | 141.7 -9.5 |