Viewing archive of Saturday, 21 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 |
|---|---|---|---|---|
| 194 -3 | 0 -1 | C2 | C5.64 | 7 |
Sunspot regions
Region 13184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 20 -70 | HSX | S12W94 | |
|
||||
Solar flares on this day | ||||
| C3.0 C3.2 C4.4 | ||||
Region 13186 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 60 -170 | HSX | N24W81 | |
|
||||
Region 13190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 3 | 680 -30 | EKI | S15W32 | |
|
||||
Region 13191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 140 -80 | DAO | N12W44 | |
|
||||
Region 13192 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 29 -3 | 270 -60 | FKI | N16W29 | |
|
||||
Solar flares on this day | ||||
| C2.9 C3.6 C3.7 C5.0 | ||||
Region 13194 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 11 | 80 40 | CAO | S24W45 | |
|
||||
Solar flares on this day | ||||
| C5.6 C5.6 | ||||
Region 13195 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 10 | AXX | N21W50 | |
|
||||
Region 13196 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 10 | AXX | N12E02 | |
|
||||
Region 13197 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 10 | CRO | N24E18 | |
|
||||
Region 13198 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 30 | CSO | N27E31 | |
|
||||
Region 13199 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 90 50 | DAI | N15E47 | |
|
||||
Solar flares on this day | ||||
| C4.6 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 144.3 +52.5 |
| Last 30 days | 107.5 +8.8 |