Viewing archive of Wednesday, 4 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 |
|---|---|---|---|---|
| 216 20 | 2 | C1 | C4.94 | 4 |
Sunspot regions
Region 9171 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -10 | AXX | S13W77 | |
Region 9172 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HSX | N14W48 | |
Region 9173 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -4 | 290 -20 | ESI | S11W41 | |
Region 9176 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -8 | 210 -60 | CAO | S08W10 | |
Region 9177 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 110 -40 | CSO | N29W68 | |
Region 9178 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -1 | 260 30 | DAI | S22W04 | |
Solar flares on this day | ||||
| C3.13 C1.84 | ||||
Region 9179 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 0 -30 | AXX | N35W30 | |
Region 9180 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 0 -20 | AXX | S32W50 | |
Region 9181 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 150 | DAI | S29E53 | |
Solar flares on this day | ||||
| C3.83 C4.94 | ||||
Region 9182 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 140 80 | DAO | S02E63 | |
Region 9183 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | S32W30 | |
Region 9184 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S14E61 | |
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 582Do the high-resolution sunspot counts point to more complex sunspots? 45New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 69X1.9 CME 1352Anomalous sunspots on the sun ? 5
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