Viewing archive of Tuesday, 21 September 2010 - 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 |
|---|---|---|---|---|
| 37 -1 | 1 1 | B2.86 | C2.05 | 2 |
Sunspot regions
Region 11106 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -10 | 20 -70 | BXO | S21W53 | |
Region 11108 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -2 | 380 -40 | FKO | S30E24 | |
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
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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