Viewing archive of Friday, 13 October 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
91 -350B8.16C1.85

Sunspot regions

Region 13454

Number of
sunspots
Size Class Magn. Class Spot Location
1 40 HSX S11W99
HMIIF
HMIBC

Region 13460

Number of
sunspots
Size Class Magn. Class Spot Location
9 -2 90 -30 DAO S10W43
HMIIF
HMIBC

Solar flares on this day

C1.5

Region 13461

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 20 10 CRO N13W30
HMIIF
HMIBC

Region 13462

Number of
sunspots
Size Class Magn. Class Spot Location
2 -6 20 -30 HRX N19W01
HMIIF
HMIBC

Region 13463

Number of
sunspots
Size Class Magn. Class Spot Location
6 -6 40 -30 CAO S17E10
HMIIF
HMIBC

Region 13464

Number of
sunspots
Size Class Magn. Class Spot Location
8 2 70 -20 CAO N04E22
HMIIF
HMIBC

Region 13465

Number of
sunspots
Size Class Magn. Class Spot Location
3 200 20 HSX N10E43
HMIIF
HMIBC

Solar flares on this day

C1.2 C1.4

Region 13466

Number of
sunspots
Size Class Magn. Class Spot Location
3 20 CAO N09W22
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

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
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51973-71
*since 1994

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