Viewing archive of Thursday, 31 May 2018 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 21 3 | 0 | A8.57 | B7.16 |
Sunspot regions
Region 12712 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -4 | 30 -40 | CRO | N14W09 | |
|
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Solar flares on this day | ||||
| B7.07 B3.08 B2.8 B1.89 B3.69 B1.68 B1.87 B3.9 | ||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 1019Yes, we really went to the moon before. 1Filaments and prominences 485Unexplained proton activity 111Feb 8-9 CMEs 26
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| Spotless days | |
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