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 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | S21W58 | |
|
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Region 13637 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 | AXX | S13W42 | |
|
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Region 13638 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -1 | 80 10 | CRI | S18W36 | |
|
||||
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 | |
|
||||
Region 13643 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -2 | 80 -10 | CRO | S11W08 | |
|
||||
Region 13644 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 150 10 | DSO | N12E05 | |
|
||||
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 | |
|
||||
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 | |
|
||||
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 | |
|
||||
Region 13651 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 30 20 | AXX | N13W02 | |
|
||||
Region 13652 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 60 | CAI | N15E31 | |
|
||||
Region 13653 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N03E60 | |
|
||||
Region 13654 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | S07E60 | |
|
||||
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 | |
|
||||
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
TórshavnOulu, Rovaniemi, Kuopio, Sodankylä, Utsjoki
Reykjavik
Kirkenes, Tromsø, Trondheim
Arkhangelsk, Murmansk, Norilsk, Vorkuta
Kiruna, Luleå, Sundsvall, Umeå
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19:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 53GW at 20:34 UTC
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Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:55 UTC
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Begin Time: 21/03/2025 15:57 UTC Estimated Velocity: 242km/sec.
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 143 -6.3 |