Viewing archive of Thursday, 4 October 2012 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum flux
56 -20B2.57B8.6

Sunspot regions

Region 11579

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 180 20 CSO S10W47

Region 11582

Number of
sunspots
Size Class Magn. Class Spot Location
5 -2 270 -40 CHO S08W25

Region 11584

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 20 -10 HAX S23W12

Region 11585

Number of
sunspots
Size Class Magn. Class Spot Location
7 3 240 190 DSO S17E52

All times in UTC

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

Whitehorse, YT
Anchorage, AK, Fairbanks, AK, Juneau, AK

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Latest alerts

07:09 UTC - Solar flare

Moderate M4.28 flare from sunspot region 4055

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06:48 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.53)


06:24 UTC - Solar flare

Moderate M1.49 flare from sunspot region 4055

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06:06 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.16)


04:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 04:29 UTC

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Monthly mean Sunspot Number
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April 2025132.1 -2.1
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