Viewing archive of Wednesday, 17 November 1999 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
248 171C1.4M7.45121

Sunspot regions

Region 8755

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 -10 HSX N22W72

Region 8759

Number of
sunspots
Size Class Magn. Class Spot Location
34 -10 200 -70 FAI N12W45

Region 8760

Number of
sunspots
Size Class Magn. Class Spot Location
10 -1 450 30 EKO N15W83

Region 8763

Number of
sunspots
Size Class Magn. Class Spot Location
4 -3 40 -30 CSO S13W07

Region 8765

Number of
sunspots
Size Class Magn. Class Spot Location
38 4 930 110 EKC S12E06

Solar flares on this day

C3.1 C2.8 C3 C7.0 C3.0

Region 8766

Number of
sunspots
Size Class Magn. Class Spot Location
20 7 330 60 EKC N18E31

Solar flares on this day

M7.4

Region 8767

Number of
sunspots
Size Class Magn. Class Spot Location
6 1 20 -20 CSO N42W54

Region 8768

Number of
sunspots
Size Class Magn. Class Spot Location
12 5 90 60 DAO N17E05

Region 8769

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 50 HAX S10E65

Solar flares on this day

C3.2 C9.2

Region 8770

Number of
sunspots
Size Class Magn. Class Spot Location
5 40 DSO S14W23

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:192
Current stretch spotless days:22

This day in history*

Solar flares
12001X2.6
22011X1.9
32011M7.1
41997M5.9
52011M5.8
ApG
1200341G2
2199828G2
3200624G1
4201421
5201015
*since 1994

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