Viewing archive of Sunday, 10 September 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 |
|---|---|---|---|---|
| 167 48 | 4 3 | C1.15 | C8.4 | 8 |
Sunspot regions
Region 13418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 20 10 | CRO | N19W80 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13421 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -1 | 60 -40 | EAO | N11W78 | |
|
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Region 13423 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -11 | 380 | EKC | N12W17 | |
|
||||
Solar flares on this day | ||||
| C8.3 C3.6 C1.5 C2.2 C3.1 | ||||
Region 13425 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 | 110 -10 | EAI | N20E13 | |
|
||||
Solar flares on this day | ||||
| C4.7 | ||||
Region 13427 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | CRO | S28E18 | |
|
||||
Region 13428 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | CRO | N14W49 | |
|
||||
Region 13429 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 30 | CSO | N09E60 | |
|
||||
Region 13430 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | S16E09 | |
|
||||
Region 13431 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 30 | DAO | S08E60 | |
|
||||
Solar flares on this day | ||||
| C3.9 | ||||
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 | 106.3 +12.6 |