Viewing archive of Friday, 28 May 2021 - 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 |
|---|---|---|---|---|
| 28 -6 | 0 | B1.37 | C9.47 | 2 |
Sunspot regions
Region 12824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 250 | DHO | N18W67 | |
|
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Solar flares on this day | ||||
| B2.1 B2.7 B2.7 B4.8 C9.5 | ||||
Region 12826 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -5 | 280 | DKO | N22W86 | |
|
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Solar flares on this day | ||||
| B3.1 B1.8 B1.7 B5.0 B2.2 C3.0 B1.9 B3.0 B2.9 B2.1 | ||||
All times in UTC
Latest news
Saturday, 1 June 2024
Double impulsive X-class flares
Wednesday, 29 May 2024
X1.4 solar flare from sunspot region 3697
Monday, 27 May 2024
X2.9 solar flare, Welcome back 3664?
Latest forum messages
Sunspot Latitudes at or near Solar Maximum 31Filaments and prominences 174Region 3697 2024/06/01 CMEs 97AR 3697 319Region 3697 2024/05/29 CME 16
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Space weather facts
| Last X-flare | 2024/06/01 | X1.03 |
| Last M-flare | 2024/06/02 | M1.9 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| June 2024 | 194 +57.5 |
| Last 30 days | 151 +2.5 |