Viewing archive of Saturday, 7 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 |
|---|---|---|---|---|---|
| 149 -15 | 1 | C2.14 | M2.46 | 6 | 3 |
Sunspot regions
Region 8645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -6 | 110 -120 | HSX | S28W92 | |
Region 8650 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 -10 | HSX | N17W56 | |
Region 8651 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 32 -7 | 720 -60 | FAI | N26W57 | |
Region 8655 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 10 | AXX | N22W23 | |
Region 8656 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -5 | 30 -50 | CRO | N18W33 | |
Solar flares on this day | ||||
| M1.01 C5.06 M1.76 | ||||
Region 8657 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 100 10 | DSO | S30E16 | |
Region 8660 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 0 -10 | AXX | S34W53 | |
Region 8661 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 10 10 | BXO | S14W12 | |
Region 8662 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 20 | CRO | S16E60 | |
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| Last M-flare | 2024/05/02 | M1.0 |
| Last geomagnetic storm | 2024/04/26 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 146.6 +47.6 |