Viewing archive of Friday, 18 October 2024 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
132 -143 2C1.32M4.993

Sunspot regions

Region 13852

Number of
sunspots
Size Class Magn. Class Spot Location
1 -8 120 -70 HAX S17W78
HMIIF
HMIBC

Solar flares on this day

C2.1 C3.8 C5.7 C2.0 M4.7

Region 13854

Number of
sunspots
Size Class Magn. Class Spot Location
7 -9 190 -110 EAO S06W71
HMIIF
HMIBC

Solar flares on this day

C2.3 C4.2 C2.7 M1.1 M4.9

Region 13855

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CRO N15W0*
HMIIF
HMIBC

Region 13856

Number of
sunspots
Size Class Magn. Class Spot Location
5 -7 150 -40 DAI N10W36
HMIIF
HMIBC

Solar flares on this day

C5.9

Region 13857

Number of
sunspots
Size Class Magn. Class Spot Location
6 100 -30 DAO S07E13
HMIIF
HMIBC

Region 13858

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 20 10 HAX S15E09
HMIIF
HMIBC

Region 13859

Number of
sunspots
Size Class Magn. Class Spot Location
7 -3 140 30 DAI S12W12
HMIIF
HMIBC

Region 13860

Number of
sunspots
Size Class Magn. Class Spot Location
1 -5 20 -50 HAX S07E02
HMIIF
HMIBC

Solar flares on this day

C2.9

Region 13861

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S05W38
HMIIF
HMIBC

Region 13862

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S18E71
HMIIF
HMIBC

Region 13863

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 HSX S02E69
HMIIF
HMIBC

All times in UTC

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Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 23:02 UTC

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

Nuuk
Reykjavik

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Latest alerts

Monday, 14 April 2025
23:15 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 23:01 UTC

alert


07:09 UTC - Solar flare

Moderate M4.28 flare from sunspot region 4055

alert


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

alert


06:06 UTC - Radio Blackout

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


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/14M4.2
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025132.1 -2.1
Last 30 days130.6 -13.6

This day in history*

Solar flares
12001X20.6
22000M6.14
32002M5.32
42024M4.02
52000M3.24
DstG
11971-143G3
21961-118G4
31989-95G1
41990-80G1
51973-71
*since 1994

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