Viewing archive of Friday, 4 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 | M |
|---|---|---|---|---|---|
| 122 -2 | 0 -2 | C1.53 | M1.99 | 6 | 1 |
Sunspot regions
Region 13380 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -5 | 250 -80 | EKI | S09W85 | |
|
||||
Solar flares on this day | ||||
| C4.6 C3.0 C2.6 | ||||
Region 13386 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -1 | 250 70 | DHI | N11W62 | |
|
||||
Solar flares on this day | ||||
| M1.9 | ||||
Region 13387 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 50 | CSO | N22W36 | |
|
||||
Solar flares on this day | ||||
| C5.2 | ||||
Region 13388 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 | AXX | S22W45 | |
|
||||
Region 13391 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 90 | HSX | N24W02 | |
|
||||
Region 13392 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 1 | 200 40 | DAO | N10W06 | |
|
||||
Region 13393 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N16W30 | |
|
||||
Region 13394 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 160 30 | CSO | S23E46 | |
|
||||
Solar flares on this day | ||||
| C2.5 | ||||
Region 13395 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 80 20 | DSO | N15E62 | |
|
||||
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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 | 106.3 +12.6 |