Viewing archive of Friday, 20 February 1998 - 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 |
|---|---|---|---|---|
| 29 -28 | 0 | B1.33 | C1.41 | 1 |
Sunspot regions
Region 8156 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -6 | 380 10 | EHI | S25W47 | |
Solar flares on this day | ||||
| B4.7 B3.64 C1.41 B3.29 B6.3 | ||||
Region 8158 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 10 | BXO | S21W29 | |
Region 8160 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | BXO | N23W13 | |
Region 8161 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | N16E19 | |
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 1032AR4374 23Unspecified geomagnetic activity 72Incoming & Unnumbered Active Regions 171Do the high-resolution sunspot counts point to more complex sunspots? 73
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