Viewing archive of Monday, 28 February 2011 - 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 | M |
|---|---|---|---|---|---|
| 54 10 | 0 | B3.71 | M1.66 | 11 | 1 |
Sunspot regions
Region 11163 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -8 | 10 -100 | AXX | N18E32 | |
Region 11164 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 170 -30 | ESO | N27E46 | |
Solar flares on this day | ||||
| B7.14 B7.14 C1.13 C2.43 C1.57 C2.86 C3.43 C2.14 B7.86 C1.71 M1.57 C1.43 C2.43 | ||||
Region 11165 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | S21E29 | |
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 608X8 CME 1X1.9 CME 1359New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71Do the high-resolution sunspot counts point to more complex sunspots? 45
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