Viewing archive of Thursday, 13 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 | M |
|---|---|---|---|---|---|
| 146 -73 | 0 | C2.94 | M2.12 | 13 | 1 |
Sunspot regions
Region 13360 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | N23W0* | |
|
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Region 13361 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -8 | 150 -70 | CSO | N25W73 | |
|
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Region 13362 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S08W46 | |
|
||||
Region 13363 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 -4 | 800 -50 | DKO | S21W20 | |
|
||||
Region 13364 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 0 -10 | AXX | N25W39 | |
|
||||
Region 13366 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 50 -40 | HSX | S18W89 | |
|
||||
Region 13367 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -2 | 200 40 | EAI | N10W56 | |
|
||||
Solar flares on this day | ||||
| C3.6 | ||||
Region 13368 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 80 | DAI | S17W92 | |
|
||||
Region 13369 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | AXX | S18W79 | |
|
||||
Region 13370 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 20 -10 | CRO | S15E21 | |
|
||||
Region 13371 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | HAX | S15E34 | |
|
||||
Region 13372 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 3 | 650 | EKO | N24E51 | |
|
||||
Solar flares on this day | ||||
| C7.5 C8.0 C5.4 C5.2 C7.6 C4.8 C4.8 C5.0 C4.6 C9.6 C4.6 C5.6 M2.1 C6.9 | ||||
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| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |