Viewing archive of Tuesday, 21 April 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 |
|---|---|---|---|
| 47 12 | 1 1 | B4.14 | B5.66 |
Sunspot regions
Region 8205 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 2 | 100 30 | DSO | N21W40 | |
Solar flares on this day | ||||
| B5.51 | ||||
Region 8206 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 0 -20 | AXX | N25E29 | |
All times in UTC
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| Last M-flare | 2024/12/22 | M1.0 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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