Viewing archive of Wednesday, 15 September 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 |
|---|---|---|---|---|
| 155 -3 | 0 | B9.86 | C4.19 | 7 |
Sunspot regions
Region 8690 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 31 -3 | 210 60 | DSI | N15W34 | |
Region 8692 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 -7 | 200 -60 | ESO | S27W14 | |
Region 8693 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 30 -10 | CSO | N12W16 | |
Region 8695 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 30 -10 | CSO | N21E21 | |
Region 8699 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 | 240 80 | EAI | N21W11 | |
Solar flares on this day | ||||
| C2.24 | ||||
Region 8700 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 4 | 140 | EAO | N14E59 | |
Solar flares on this day | ||||
| C3.17 C1.74 | ||||
All times in UTC
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| Spotless days | |
|---|---|
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|---|---|
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| Last 30 days | 83.6 -38.4 |