Viewing archive of Friday, 21 September 2012 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 74 6 | 0 | B3.57 | C1.25 | 1 |
Sunspot regions
Region 11569 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 170 70 | HSX | S12W70 | |
Region 11571 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 50 20 | CAO | S14W46 | |
Region 11574 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 40 20 | CAO | S22W70 | |
Solar flares on this day | ||||
| B6.86 | ||||
Region 11575 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 280 60 | EKO | N07E50 | |
Region 11576 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 70 20 | DSO | S21E52 | |
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