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
OuluTrondheim
Arkhangelsk
Sundsvall, Umeå
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Latest alerts
11:09 UTC - Solar flare
Moderate M1.35 flare
10:39 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Monday, 21 April 2025
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120 -14.2 |
| Last 30 days | 111.9 -31 |