Viewing archive of Saturday, 12 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 |
|---|---|---|---|---|
| 61 -44 | 0 -2 | B9.35 | C8.86 | 12 |
Sunspot regions
Region 13391 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N22W0* | |
|
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Region 13394 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 230 20 | CSO | S22W55 | |
|
||||
Region 13395 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -9 | 180 50 | DAI | N13W44 | |
|
||||
Solar flares on this day | ||||
| C1.6 C8.8 C6.6 C1.4 C1.5 C2.0 C3.1 C1.5 C2.3 C5.3 | ||||
Region 13397 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 40 20 | CSO | N18W18 | |
|
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Solar flares on this day | ||||
| C1.8 C4.9 | ||||
Region 13401 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | N25W61 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.4 +13.7 |