Viewing archive of Saturday, 17 March 2001 - 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 |
|---|---|---|---|---|
| 90 4 | 1 1 | B3.86 | C5.61 | 3 |
Sunspot regions
Region 9373 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 32 -21 | 240 | FAI | S07W20 | |
Solar flares on this day | ||||
| C5.61 | ||||
Region 9376 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -4 | 20 10 | CRO | S14E09 | |
Region 9383 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 30 -50 | CSO | S10W70 | |
Region 9384 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 120 80 | DAO | N11W23 | |
Solar flares on this day | ||||
| C1.27 | ||||
All times in UTC
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| Last M-flare | 2026/04/04 | M1.0 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
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|---|---|
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