Viewing archive of Thursday, 12 January 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 |
|---|---|---|---|---|---|
| 151 -32 | 1 1 | C3.33 | M1.6 | 11 | 3 |
Sunspot regions
Region 13181 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -23 | 240 -210 | EAI | S19W74 | |
|
||||
Solar flares on this day | ||||
| C7.1 M1.2 C4.8 | ||||
Region 13182 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 35 -14 | 510 -140 | EKI | S18W25 | |
|
||||
Solar flares on this day | ||||
| M1.0 C5.1 C5.7 M1.0 | ||||
Region 13183 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 50 | HSX | S16W0* | |
|
||||
Region 13184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -3 | 240 -490 | CSO | S13E27 | |
|
||||
Solar flares on this day | ||||
| C6.7 C5.8 | ||||
Region 13185 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -3 | 100 70 | DAO | N24W39 | |
|
||||
Region 13186 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 10 | 320 170 | EKC | N25E38 | |
|
||||
Solar flares on this day | ||||
| M1.1 M1.59 C6.4 C7.2 C8.5 | ||||
Region 13187 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | N16W11 | |
|
||||
Region 13188 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | DRO | S23E56 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 88.1 +2.2 |
| Last 30 days | 93.5 +31.6 |
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