Viewing archive of Wednesday, 23 August 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 |
|---|---|---|---|---|
| 99 3 | 0 -1 | B8.29 | C4.34 | 7 |
Sunspot regions
Region 13404 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | S10W63 | |
|
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Region 13405 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 130 20 | HSX | N09W48 | |
|
||||
Solar flares on this day | ||||
| C3.9 | ||||
Region 13407 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | S19W82 | |
|
||||
Solar flares on this day | ||||
| C3.4 | ||||
Region 13411 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N12W28 | |
|
||||
Region 13412 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 -10 | HSX | N30E09 | |
|
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Region 13413 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 280 80 | FHO | N08E45 | |
|
||||
Solar flares on this day | ||||
| C3.2 C1.7 C2.4 | ||||
Region 13414 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 | AXX | S09E05 | |
|
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Region 13415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 350 110 | DHO | S10E62 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/13 | M1.0 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 112.1 -0.5 |
| Last 30 days | 128.7 +30.6 |