Viewing archive of Saturday, 23 December 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 22 4 | 0 | A8.14 | B4.73 |
Sunspot regions
Region 12692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 70 | DAO | N18E16 | |
|
||||
Solar flares on this day | ||||
| B4.33 B1.12 | ||||
All times in UTC
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| Spotless days | |
|---|---|
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|---|---|
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