Viewing archive of Thursday, 20 July 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 |
|---|---|---|---|---|
| 131 -10 | 0 -2 | C1.2 | C9.7 | 5 |
Sunspot regions
Region 13372 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -2 | 380 -120 | FKO | N15W37 | |
|
||||
Solar flares on this day | ||||
| C1.9 | ||||
Region 13373 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -3 | 520 -30 | EKC | N08W16 | |
|
||||
Solar flares on this day | ||||
| C1.7 C9.6 | ||||
Region 13374 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S08W13 | |
|
||||
Region 13376 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 1 | 130 -20 | DSO | N25E02 | |
|
||||
Region 13377 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 240 | DSO | S09E35 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13378 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 30 | CRO | S34W01 | |
|
||||
Region 13379 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 260 80 | FHO | N14E57 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
All times in UTC
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| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2026/01/11 | M3.3 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| January 2026 | 96.8 -27.3 |
| Last 30 days | 98.4 -9.3 |