Viewing archive of Thursday, 21 May 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 |
|---|---|---|---|---|
| 36 -25 | 0 | B2.86 | C1.72 | 2 |
Sunspot regions
Region 12341 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S20W97 | |
Region 12342 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -80 | BXO | N18W92 | |
|
||||
Region 12344 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | CRO | S10W67 | |
|
||||
Region 12346 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | S06W55 | |
|
||||
Solar flares on this day | ||||
| B8.55 C1.36 | ||||
Region 12348 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 80 | HAX | S10W20 | |
|
||||
Region 12351 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 10 | CSO | N22E34 | |
|
||||
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Space weather facts
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| November 2024 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |