Viewing archive of Saturday, 17 October 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 83 15 | 1 | C1.01 | M2.16 | 12 | 3 |
Sunspot regions
Region 12431 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HSX | S18W07 | |
|
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Region 12432 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 10 -10 | BXO | S21W23 | |
|
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Region 12434 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 10 | 150 100 | DAI | S10E34 | |
|
||||
Solar flares on this day | ||||
| C1.91 C3.66 C6.46 C3.29 C1.48 C6.83 | ||||
Region 12435 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HAX | S17E74 | |
|
||||
Solar flares on this day | ||||
| C4.84 C4.1 C2.66 C2.2 C6.84 C9.46 | ||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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