Viewing archive of Friday, 31 July 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 71 -12 | 0 -2 | B3.29 | B8.54 |
Sunspot regions
Region 12389 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -5 | 10 | AXX | S12W20 | |
|
||||
Region 12390 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -8 | 70 -40 | DSO | S15W53 | |
|
||||
Solar flares on this day | ||||
| B8.15 | ||||
Region 12391 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 60 | HAX | N06E31 | |
|
||||
Region 12392 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -20 | AXX | S05E37 | |
|
||||
Region 12393 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 10 | DAO | N16E45 | |
|
||||
Region 12394 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 | HSX | N12E65 | |
|
||||
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
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|---|---|
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| Last 30 days | 80 -0.8 |