Viewing archive of Sunday, 21 April 2024 - 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 |
|---|---|---|---|---|---|
| 283 43 | 5 5 | C2.15 | M3.43 | 6 | 3 |
Sunspot regions
Region 13636 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | S21W58 | |
|
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Region 13637 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 | AXX | S13W42 | |
|
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Region 13638 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -1 | 80 10 | CRI | S18W36 | |
|
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Solar flares on this day | ||||
| C3.9 C3.8 M2.2 M3.43 | ||||
Region 13639 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 3 | 260 20 | EKI | N28W29 | |
|
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Region 13641 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -10 | AXX | N09W78 | |
|
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Region 13643 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -2 | 80 -10 | CRO | S11W08 | |
|
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Region 13644 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 150 10 | DSO | N12E05 | |
|
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Region 13645 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 2 | 290 50 | DKI | S09W35 | |
|
||||
Solar flares on this day | ||||
| C5.7 M1.0 | ||||
Region 13646 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 5 | 30 20 | CAO | N23E12 | |
|
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Region 13647 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 2 | 220 20 | DAC | S13W29 | |
|
||||
Solar flares on this day | ||||
| C5.4 | ||||
Region 13648 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N18W02 | |
|
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Region 13649 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | AXX | N15W53 | |
|
||||
Region 13650 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -3 | 70 -50 | CAI | S15W18 | |
|
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Region 13651 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 30 20 | AXX | N13W02 | |
|
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Region 13652 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 60 | CAI | N15E31 | |
|
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Region 13653 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N03E60 | |
|
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Region 13654 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | S07E60 | |
|
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Region 13655 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | S27E62 | |
|
||||
Solar flares on this day | ||||
| C4.0 | ||||
Region 13656 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S12E72 | |
|
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All times in UTC
Latest news
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X1.8 solar flare, severe geomagnetic storm watch
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AR 13901 85Sunspot Latitudes at or near Solar Maximum 76Incoming & Unnumbered Active Regions 1244The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| 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 | 155.2 +4.4 |