Viewing archive of Sunday, 18 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 |
|---|---|---|---|---|
| 91 1 | 1 | B4 | C4.94 | 8 |
Sunspot regions
Region 9373 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -10 | 230 -10 | FAO | S07W34 | |
Solar flares on this day | ||||
| C2.76 C4.95 C4.46 C2.71 C1.2 | ||||
Region 9376 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 | CRO | S13W04 | |
Region 9383 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 50 20 | HSX | S10W82 | |
Region 9384 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 2 | 100 -20 | DAO | N12W35 | |
Solar flares on this day | ||||
| C2.73 | ||||
Region 9385 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | DRO | S13E42 | |
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| Spotless days | |
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