Viewing archive of Friday, 30 July 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 |
|---|---|---|---|---|---|
| 218 -8 | 0 | C2.43 | M2.53 | 16 | 1 |
Sunspot regions
Region 8636 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -14 | 360 -140 | EKI | N20W82 | |
Region 8640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 5 | 110 40 | CSO | N16W42 | |
Region 8644 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 30 -10 | CSO | S26W08 | |
Region 8645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 10 | 590 100 | FKI | S24E10 | |
Region 8647 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 5 | 50 -40 | ESO | S18E11 | |
Region 8648 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -20 | CSO | N22E29 | |
Region 8649 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 4 | 100 | DAO | S15W16 | |
Solar flares on this day | ||||
| C5.29 M2.53 | ||||
Region 8650 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 50 -20 | CSO | N17E50 | |
Region 8651 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 18 | 210 110 | DAI | N24E49 | |
Solar flares on this day | ||||
| C5.67 C5.14 C5.64 C7.74 C4.43 C5.54 C4.09 C8.77 C7.26 C7.43 | ||||
Region 8653 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 10 -20 | BXO | N28W44 | |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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