Viewing archive of Friday, 11 October 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
115 -230 -1C1.24M2.22121

Sunspot regions

Region 11856

Number of
sunspots
Size Class Magn. Class Spot Location
2 -6 10 BXO N07W36
HMIIF
HMIBC

Region 11857

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 -10 HSX S08W37
HMIIF
HMIBC

Region 11861

Number of
sunspots
Size Class Magn. Class Spot Location
23 15 200 140 EAC S10E22
HMIIF
HMIBC

Solar flares on this day

C4.3 C2.49 C7.94 C2.07 C7.81 C6.72 C3.27 C2.27 C5.68 C3.38 C9.01

Region 11862

Number of
sunspots
Size Class Magn. Class Spot Location
8 5 40 30 DAO S23W61
HMIIF
HMIBC

Region 11863

Number of
sunspots
Size Class Magn. Class Spot Location
5 3 30 20 DRO S19W08
HMIIF
HMIBC

Region 11864

Number of
sunspots
Size Class Magn. Class Spot Location
2 60 -10 HAX S23E34
HMIIF
HMIBC

Region 11865

Number of
sunspots
Size Class Magn. Class Spot Location
15 10 220 10 DAI S22E45
HMIIF
HMIBC

Solar flares on this day

C8.96

Region 11867

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 AXX N23E07
HMIIF
HMIBC

All times in UTC

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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

Gillam, MB, 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

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, Winnipeg, MB
The solar wind speed is currently moderately high (629.9 km/sec.)
The Disturbance Storm Time index predicts moderate storm conditions right now (-71nT)

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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
22001M7.3
32001M4.52
42013M3.28
52004M2.47
DstG
11993-165G3
21968-112G3
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*since 1994

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