Viewing archive of Monday, 13 September 1999 - 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 |
|---|---|---|---|---|
| 183 57 | 1 | B8.57 | C7.07 | 7 |
Sunspot regions
Region 8690 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 2 | 90 -10 | DSI | N14W06 | |
Region 8692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 3 | 230 -40 | EAO | S26E11 | |
Region 8693 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 50 | DSO | N13E11 | |
Solar flares on this day | ||||
| C3.74 | ||||
Region 8695 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -10 | HSX | N20E48 | |
Region 8699 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 4 | 110 80 | DAI | N21E15 | |
Solar flares on this day | ||||
| C7.06 | ||||
Region 8700 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | HSX | N12E81 | |
Solar flares on this day | ||||
| C3.11 | ||||
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