Viewing archive of Friday, 3 May 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
139 373 3B9.29M8.1652

Sunspot regions

Region 11728

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N19W72
HMIIF
HMIBC

Region 11730

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 100 30 HSX S16W81
HMIIF
HMIBC

Solar flares on this day

C2.49 C2.4

Region 11731

Number of
sunspots
Size Class Magn. Class Spot Location
31 -2 150 -170 EAC N10W43
HMIIF
HMIBC

Solar flares on this day

C2.44 M1.93

Region 11732

Number of
sunspots
Size Class Magn. Class Spot Location
7 160 DSO S17W15
HMIIF
HMIBC

Region 11734

Number of
sunspots
Size Class Magn. Class Spot Location
15 9 550 EKO S19E10
HMIIF
HMIBC

Solar flares on this day

C2.47 C2.05

Region 11737

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N19E35

Region 11738

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N16E63

Region 11739

Number of
sunspots
Size Class Magn. Class Spot Location
13 150 DAC N13E75

Solar flares on this day

M8.19

All times in UTC

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 23:19 UTC

Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future

Reykjavik

Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future

Tórshavn
Oulu, Rovaniemi, Sodankylä, Utsjoki
Kirkenes, Tromsø
Murmansk
Kiruna, Luleå

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Kuopio
Bergen, Trondheim
Arkhangelsk
Sundsvall, Umeå

Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future

Tampere
The solar wind speed is currently moderately high (524.4 km/sec.)
The strength of the interplanetary magnetic field is moderate (11.1nT), the direction is slightly South (-6.62nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-79nT)
The maximum X-ray flux of the past two hours is:
C5.75

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Latest alerts

23:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:17 UTC

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21:03 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 75GW at 21:49 UTC


13:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 13:07 UTC

alert


12:33 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 75GW at 13:21 UTC


00:15 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:59 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025143 +8.8
Last 30 days129.8 -16.3

This day in history*

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32001M2.91
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DstG
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*since 1994

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