Viewing archive of Thursday, 18 April 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 |
|---|---|---|---|---|
| 86 -3 | 0 | B4 | C9.34 | 2 |
Sunspot regions
Region 11719 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 50 | HSX | N09W91 | |
|
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Solar flares on this day | ||||
| C2.36 C9.33 | ||||
Region 11721 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 100 -20 | CSO | S17W75 | |
|
||||
Region 11722 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 4 | 90 | DAO | S20W62 | |
|
||||
Region 11723 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 | 190 -10 | DAI | S16W16 | |
|
||||
Region 11724 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 20 -20 | CSO | S26E07 | |
|
||||
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| Spotless days | |
|---|---|
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