Viewing archive of Thursday, 3 August 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
124 -112 2C1.59M2.08181

Sunspot regions

Region 13380

Number of
sunspots
Size Class Magn. Class Spot Location
10 330 -100 EKI S11W71
HMIIF
HMIBC

Solar flares on this day

C3.7 C3.4 C2.9 C2.8 C2.6 C3.0 C2.9 C3.6 C6.4 C2.3 M2.0 C3.6 C2.1 C3.3

Region 13386

Number of
sunspots
Size Class Magn. Class Spot Location
6 180 20 DSO N12W44
HMIIF
HMIBC

Region 13387

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 50 -10 CSO N21W22
HMIIF
HMIBC

Region 13388

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S23W29
HMIIF
HMIBC

Region 13390

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 10 AXX S20W08
HMIIF
HMIBC

Region 13391

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 90 10 HSX N22E11
HMIIF
HMIBC

Region 13392

Number of
sunspots
Size Class Magn. Class Spot Location
7 -6 160 40 ESO N08E10
HMIIF
HMIBC

Solar flares on this day

C2.9 C5.0

Region 13393

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N16W16
HMIIF
HMIBC

Region 13394

Number of
sunspots
Size Class Magn. Class Spot Location
2 130 HSX S22E61
HMIIF
HMIBC

Solar flares on this day

C4.1 C3.7

Region 13395

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX N15E75
HMIIF
HMIBC

All times in UTC

<< Go to daily overview page

G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 00:51 UTC

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

Iqaluit, NU
Nuuk
Reykjavik

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

Tórshavn
Trondheim
Sundsvall

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

Thunder Bay, ON
The solar wind speed is currently moderately high (559.8 km/sec.)
The strength of the interplanetary magnetic field is moderate (11.14nT), the direction is moderately South (-10.66nT).
The Disturbance Storm Time index predicts moderate storm conditions right now (-68nT)

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Latest alerts

01:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 00:51 UTC

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Friday, 4 April 2025
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

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12:33 UTC - Hemispheric Power Index

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

Solar flares
12001X1.21
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32001M4.52
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DstG
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*since 1994

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