Viewing archive of Friday, 8 October 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 |
|---|---|---|---|---|
| 170 -14 | 1 | C1.43 | C9.19 | 6 |
Sunspot regions
Region 8713 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | BXO | S14W45 | |
Region 8714 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N13W36 | |
Region 8716 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -7 | 190 -10 | HSX | N21E05 | |
Region 8718 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 -10 | CSO | S28W50 | |
Region 8719 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 80 -10 | CSO | S22W02 | |
Region 8720 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 1 | 50 -20 | DAO | N13E14 | |
Solar flares on this day | ||||
| C2.51 | ||||
Region 8721 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -1 | 70 10 | DSO | S19E05 | |
Region 8722 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -8 | 40 -20 | DRO | N14W20 | |
Region 8723 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 20 | CSO | N20E39 | |
Region 8724 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | N18W38 | |
Region 8725 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -20 | HSX | S25E41 | |
Region 8726 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HSX | S21E14 | |
Region 8727 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N18E53 | |
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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Sunday, 18 January 2026
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