Viewing archive of Tuesday, 3 August 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 |
|---|---|---|---|---|---|
| 217 7 | 2 1 | C2.29 | M1.87 | 13 | 1 |
Sunspot regions
Region 8640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -50 | HSX | N17W94 | |
Region 8645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 -16 | 490 -50 | FKI | S25W44 | |
Region 8647 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 2 | 140 100 | DAO | S18W49 | |
Solar flares on this day | ||||
| C3.69 C8.24 C2.71 | ||||
Region 8649 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -6 | 10 -40 | AXX | S15W66 | |
Region 8650 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -6 | 40 -10 | CSO | N18W04 | |
Region 8651 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 43 -15 | 1370 500 | FKI | N25W04 | |
Solar flares on this day | ||||
| C3.46 C5.83 C6.7 | ||||
Region 8654 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 10 -20 | BXO | N20W46 | |
Region 8655 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | AXX | N25E23 | |
Region 8656 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 4 | 20 10 | BXO | N17E20 | |
Solar flares on this day | ||||
| C4.56 C3.61 | ||||
Region 8657 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | S32E71 | |
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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Feb 8-9 CMEs 12AR4366 976AR 4371 19AR 4373 3Do the high-resolution sunspot counts point to more complex sunspots? 50
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