Viewing archive of Saturday, 21 October 2000 - 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 |
|---|---|---|---|---|---|
| 166 22 | 1 -1 | B7.57 | M4.34 | 5 | 1 |
Sunspot regions
Region 9198 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 5 | 150 60 | DAO | S30W11 | |
Region 9199 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 6 | 140 70 | ESI | N08W04 | |
Solar flares on this day | ||||
| C2.41 C8.06 | ||||
Region 9200 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -4 | 40 | BXO | S16E08 | |
Region 9201 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 6 | 220 100 | DKI | N17E32 | |
Solar flares on this day | ||||
| C3.47 C3.41 M4.34 | ||||
Region 9202 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 30 | AXX | N11E05 | |
Region 9203 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | CSO | N15W15 | |
Region 9204 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | AXX | N09E15 | |
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Space weather facts
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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 |