Viewing archive of Saturday, 20 October 2001 - 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 |
|---|---|---|---|---|---|
| 230 11 | 2 1 | C3.43 | M1.05 | 5 | 1 |
Sunspot regions
Region 9658 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 3 | 230 50 | FAO | S14W61 | |
Region 9661 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -3 | 620 -40 | EKI | N16W35 | |
Region 9662 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 70 30 | DSO | N11W66 | |
Region 9667 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 40 | CSO | N26E06 | |
Region 9669 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 7 | 170 30 | EAI | N13E14 | |
Region 9670 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 8 | 530 160 | FKO | S18E32 | |
Solar flares on this day | ||||
| C5.96 C4.29 | ||||
Region 9671 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 6 | 100 70 | DAO | N16E04 | |
Region 9672 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 160 60 | HAX | S20E53 | |
Region 9673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 130 20 | HAX | N04E58 | |
Region 9674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 60 | BXO | S08E34 | |
Solar flares on this day | ||||
| C6.66 C3.68 | ||||
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| Last M-flare | 2024/11/20 | M1.1 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 156.1 +4.7 |