Viewing archive of Wednesday, 17 March 1999 - 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 |
|---|---|---|---|---|---|
| 131 -3 | 1 | B7.14 | M4.71 | 12 | 3 |
Sunspot regions
Region 8484 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -1 | 40 | CSO | S23W21 | |
Region 8485 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 50 -8 | 610 50 | FKI | N23W38 | |
Solar flares on this day | ||||
| C1.6 C1.49 C1.93 M4.71 C3.24 C3.71 C2.66 M1.71 C1.44 | ||||
Region 8487 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 4 | 180 -20 | ESI | N17W01 | |
Region 8488 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 20 | CSO | S26E09 | |
Region 8489 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 50 | CRO | N13W27 | |
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