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
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Filaments and prominences 525AR 13901 110AR 13903 1Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |