Viewing archive of Tuesday, 11 December 2001 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCMX
154 -700 -3C4X4.01411

Sunspot regions

Region 9718

Number of
sunspots
Size Class Magn. Class Spot Location
3 -7 200 -80 DAO S06W89

Region 9720

Number of
sunspots
Size Class Magn. Class Spot Location
1 -8 10 -30 HSX S28W73

Region 9721

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 100 -10 DSO N11W79

Region 9723

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 10 -30 HSX S05W81

Region 9724

Number of
sunspots
Size Class Magn. Class Spot Location
1 30 HSX N10W48

Region 9726

Number of
sunspots
Size Class Magn. Class Spot Location
6 -2 20 -20 DRO S16W37

Region 9727

Number of
sunspots
Size Class Magn. Class Spot Location
31 8 550 190 DKC S21W24

Solar flares on this day

M1.91

Region 9728

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 20 -30 HSX N35W90

Region 9732

Number of
sunspots
Size Class Magn. Class Spot Location
2 -2 40 -20 HSX N04E20

Region 9733

Number of
sunspots
Size Class Magn. Class Spot Location
27 6 360 70 EAI N14E44

Solar flares on this day

X4.02

Region 9734

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 30 -20 HSX S12E65

Region 9735

Number of
sunspots
Size Class Magn. Class Spot Location
2 20 BXO N10W34

Region 9736

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S09W27

Region 9737

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO S27E52

All times in UTC

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Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025121.5 -12.7
Last 30 days114.6 -22.2

This day in history*

Solar flares
12003M4.84
22001M4.48
32001M3.35
42001M3.06
52001M2.7
DstG
12023-213G4
21960-171G3
32012-120G3
41990-106G2
51959-92G1
*since 1994

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