Viewing archive of Tuesday, 21 October 1997 - 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 |
|---|---|---|---|---|
| 27 2 | 0 | A6.86 | C4.43 | 1 |
Sunspot regions
Region 8096 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 -10 | HSX | N13W16 | |
Region 8097 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 10 | HSX | N16E13 | |
Solar flares on this day | ||||
| C4.43 | ||||
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