Viewing archive of Sunday, 4 September 2011 - 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 |
|---|---|---|---|---|---|
| 114 -25 | 0 -2 | B9 | M4.64 | 5 | 3 |
Sunspot regions
Region 11277 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 20 -10 | HAX | N18W53 | |
Region 11279 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 -30 | HSX | N13W45 | |
Region 11280 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 -70 | BXO | N12W78 | |
Region 11281 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -2 | 90 -20 | DAO | S19W10 | |
Region 11282 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -4 | 100 -70 | ESO | N23W52 | |
Region 11283 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 10 | 220 20 | DSI | N14E24 | |
Region 11286 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 80 | DSO | N20W57 | |
Solar flares on this day | ||||
| M1.19 M1.29 C5.77 M4.65 C8.34 | ||||
Region 11287 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 | CAO | S30E64 | |
All times in UTC
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| Last X-flare | 2024/11/06 | X2.39 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |