Viewing archive of Tuesday, 11 April 2023 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 103 11 | 1 -1 | B7.04 | M1.38 | 9 | 1 |
Sunspot regions
Region 13272 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 36 5 | 250 -20 | FKC | S21E11 | |
|
||||
Solar flares on this day | ||||
| C6.2 C1.1 C1.1 M1.3 C5.9 | ||||
Region 13273 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 6 | 100 -20 | DSI | N09W01 | |
|
||||
Solar flares on this day | ||||
| C2.0 | ||||
Region 13275 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 10 | HSX | N20E47 | |
|
||||
Solar flares on this day | ||||
| C1.5 | ||||
Region 13276 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 80 60 | DAO | S21E62 | |
|
||||
Solar flares on this day | ||||
| C2.6 C1.2 C1.6 | ||||
Region 13277 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | CRO | N10E20 | |
|
||||
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
TórshavnOulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Norilsk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
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19:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 53GW at 20:34 UTC
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 143 -6.3 |