Viewing archive of Thursday, 3 October 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
61 21 -1B4.14C2.621

Sunspot regions

Region 11850

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N08W99
HMIIF
HMIBC

Region 11854

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 10 HSX N05E04
HMIIF
HMIBC

Region 11855

Number of
sunspots
Size Class Magn. Class Spot Location
16 -1 130 50 DSI S14W11
HMIIF
HMIBC

Region 11856

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 CAO N08E69
HMIIF
HMIBC

Region 11857

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 HAX S06E66
HMIIF
HMIBC

Solar flares on this day

C2.57

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 20:39 UTC

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

Tórshavn
Oulu, Rovaniemi, Sodankylä
Reykjavik
Tromsø, Trondheim
Murmansk
Kiruna, Luleå

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20:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 20:39 UTC

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17:33 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 51GW at 18:18 UTC


Sunday, 6 April 2025
02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025148.7 +14.5
Last 30 days134.1 -5.6

This day in history*

Solar flares
12006M1.39
22002M1.38
31997C9.01
42002C8.7
52002C6.29
DstG
12000-292G4
21995-149G4
31977-95G3
41989-85G1
51960-76G1
*since 1994

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