Viewing archive of Saturday, 15 April 2000 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
177 40B7.57M6.14103

Sunspot regions

Region 8948

Number of
sunspots
Size Class Magn. Class Spot Location
4 -7 50 -60 CAO S15W63

Solar flares on this day

C2.56

Region 8949

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 100 HSX S19W40

Region 8951

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 100 CSO N12W18

Region 8953

Number of
sunspots
Size Class Magn. Class Spot Location
7 3 40 -20 CSO S14E07

Region 8954

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 0 -10 BXO N31E14

Region 8955

Number of
sunspots
Size Class Magn. Class Spot Location
9 -2 340 -40 EAO S22E33

Solar flares on this day

C4.97 M6.14 C4.36 M3.24 M1.1 C9.36

Region 8956

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 10 -10 BXO N14W03

Region 8958

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 0 -10 AXX N17E30

Region 8959

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 80 -10 DAO S18E03

Region 8960

Number of
sunspots
Size Class Magn. Class Spot Location
11 8 40 30 CSO N19W31

Region 8962

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 -10 HSX N22E62

Region 8963

Number of
sunspots
Size Class Magn. Class Spot Location
3 2 40 -20 HSX N16E62

All times in UTC

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07:09 UTC - Solar flare

Moderate M4.28 flare from sunspot region 4055

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


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Moderate M1.49 flare from sunspot region 4055

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

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Spotless days
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Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025132.1 -2.1
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This day in history*

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