Viewing archive of Tuesday, 21 February 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 |
|---|---|---|---|---|---|
| 106 -29 | 0 -3 | C1.36 | M5.09 | 9 | 2 |
Sunspot regions
Region 13217 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 60 -70 | HSX | S12W97 | |
|
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Region 13220 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 -20 | HSX | S12W83 | |
|
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Region 13226 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -6 | 210 -70 | HAX | N11W74 | |
|
||||
Solar flares on this day | ||||
| C9.5 C6.5 C2.6 | ||||
Region 13229 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 2 | 240 -70 | ESI | N24E07 | |
|
||||
Solar flares on this day | ||||
| C6.0 | ||||
Region 13230 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 100 -10 | DSO | S23E30 | |
|
||||
Region 13231 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 30 -20 | DRO | N21W65 | |
|
||||
Solar flares on this day | ||||
| C8.2 | ||||
Region 13233 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | AXX | N14W14 | |
|
||||
Region 13234 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 80 | DAO | N24E60 | |
|
||||
Solar flares on this day | ||||
| M1.5 M4.7 C4.0 C6.2 M5.0 C7.3 C4.6 | ||||
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/13 | M1.7 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |