Viewing archive of Thursday, 13 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 |
|---|---|---|---|---|
| 154 27 | 3 1 | C1.31 | C8.47 | 12 |
Sunspot regions
Region 13272 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -10 | 150 -100 | EAI | S22W15 | |
|
||||
Solar flares on this day | ||||
| C2.0 C8.3 | ||||
Region 13273 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -8 | 70 -20 | CSO | N09W28 | |
|
||||
Region 13275 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 10 | HSX | N19E21 | |
|
||||
Region 13276 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S22E38 | |
|
||||
Region 13278 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | N13W48 | |
|
||||
Region 13279 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 4 | 230 80 | EAI | S19E49 | |
|
||||
Solar flares on this day | ||||
| C4.0 C3.3 C3.6 C2.4 C2.3 C3.9 C6.6 C4.2 | ||||
Region 13280 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 | 80 | DAI | S11W27 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13281 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 220 | DAO | S23E69 | |
|
||||
Solar flares on this day | ||||
| C3.7 C2.1 | ||||
Region 13282 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 | CAO | N11E66 | |
|
||||
Solar flares on this day | ||||
| C2.1 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/19 | M1.6 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 155.9 +19.4 |
| Last 30 days | 163.2 +40.8 |