Viewing archive of Wednesday, 13 December 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
114 342 1B9.58C9.424

Sunspot regions

Region 13513

Number of
sunspots
Size Class Magn. Class Spot Location
5 -2 180 90 CAO N18W42
HMIIF
HMIBC

Solar flares on this day

C1.8

Region 13514

Number of
sunspots
Size Class Magn. Class Spot Location
5 -2 50 -10 DAI N05W50
HMIIF
HMIBC

Solar flares on this day

C1.2 C1.2

Region 13515

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 30 20 HRX S13E08
HMIIF
HMIBC

Region 13516

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 -30 AXX S18E11
HMIIF
HMIBC

Region 13517

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 CRO N15W31
HMIIF
HMIBC

Region 13518

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 10 HAX N13E61
HMIIF
HMIBC

Region 13519

Number of
sunspots
Size Class Magn. Class Spot Location
4 50 DAO S11E38
HMIIF
HMIBC

Region 13520

Number of
sunspots
Size Class Magn. Class Spot Location
11 210 CAO N10W34
HMIIF
HMIBC

All times in UTC

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G1 - Minor geomagnetic storm

Observed Kp: 5
Threshold reached: 21:40 UTC

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

Reykjavik
The density of the solar wind is moderate (22.39 p/cm3)
The strength of the interplanetary magnetic field is moderate (12.75nT), the direction is North (5.75nT).
The Disturbance Storm Time index predicts strong storm conditions right now (-117nT)

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Latest alerts

21:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 21:36 UTC

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21:00 UTC - Geomagnetic activity

Severe G4 geomagnetic storm (Kp8) Threshold Reached: 20:55 UTC

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19:45 UTC - Geomagnetic activity

Strong G3 geomagnetic storm (Kp7) Threshold Reached: 19:25 UTC

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19:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC

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18:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days122.5 -17.8

This day in history*

Solar flares
12002M3.66
22012M2.54
32001M1.68
42014M1.47
52002M1.33
DstG
12015-88G2
21973-79G2
32000-78
41971-73
52024-65G1
*since 1994

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