Viewing archive of Thursday, 21 June 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 |
|---|---|---|---|---|
| 212 -20 | 2 | C1.71 | C5.03 | 11 |
Sunspot regions
Region 9498 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 0 -10 | AXX | N23W78 | |
Region 9500 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 10 | BXO | N12W49 | |
Region 9501 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 2 | 120 -30 | DAO | S13W50 | |
Region 9502 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -5 | 30 10 | CRO | S27W30 | |
Region 9503 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 49 -7 | 510 -40 | FAI | N16W20 | |
Solar flares on this day | ||||
| C3.35 | ||||
Region 9504 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -3 | 360 -30 | CKO | N09W17 | |
Solar flares on this day | ||||
| C3.53 C2.61 C3.6 | ||||
Region 9505 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 -10 | CSO | N22W07 | |
Region 9506 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 27 -8 | 250 -110 | FAO | N19E08 | |
Solar flares on this day | ||||
| C3.61 | ||||
Region 9509 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 7 | 50 20 | DAO | S10W18 | |
Region 9510 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | BXO | S06W35 | |
Region 9511 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N11E53 | |
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Yes, we really went to the moon before. 2AR4366 1026Filaments and prominences 487Do the high-resolution sunspot counts point to more complex sunspots? 62AR 4373 4
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