Viewing archive of Sunday, 21 July 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 49 -8 | 0 | B4.57 | C4.47 | 4 |
Sunspot regions
Region 11793 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 7 | 230 -50 | EAO | N21W01 | |
|
||||
Solar flares on this day | ||||
| C1.09 C1.13 | ||||
Region 11798 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S12E14 | |
|
||||
Region 11800 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 20 | CRO | S09E37 | |
|
||||
Solar flares on this day | ||||
| C1.38 B7.65 C4.43 | ||||
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Space weather facts
| Last X-flare | 2024/10/31 | X2.03 |
| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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