Viewing archive of Tuesday, 21 March 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
191 -491 -1C1.86M1.5123

Sunspot regions

Region 8906

Number of
sunspots
Size Class Magn. Class Spot Location
4 -3 230 -140 EAO S16W88

Region 8909

Number of
sunspots
Size Class Magn. Class Spot Location
1 -5 0 -10 AXX S28W41

Region 8910

Number of
sunspots
Size Class Magn. Class Spot Location
55 7 680 90 EKC N13W35

Solar flares on this day

C7.16 M1.03

Region 8913

Number of
sunspots
Size Class Magn. Class Spot Location
33 12 210 -10 EAI S16W11

Region 8915

Number of
sunspots
Size Class Magn. Class Spot Location
2 200 30 HSX N23E24

Region 8916

Number of
sunspots
Size Class Magn. Class Spot Location
16 5 250 -10 ESO N13E40

Region 8917

Number of
sunspots
Size Class Magn. Class Spot Location
14 160 90 DAO N19W08

Region 8918

Number of
sunspots
Size Class Magn. Class Spot Location
12 6 60 30 DSO N32W27

Solar flares on this day

M1.51

Region 8920

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N24E55

Region 8921

Number of
sunspots
Size Class Magn. Class Spot Location
2 30 CSO S15E71

All times in UTC

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S2 - Moderate solar radiation storm

Infrequent effects on HF radio through polar regions and satellite operations

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days127.7 -23.5

This day in history*

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*since 1994

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