Viewing archive of Thursday, 18 November 1999 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxCM
194 -541C2.43M2.0633

Sunspot regions

Region 8755

Number of
sunspots
Size Class Magn. Class Spot Location
1 60 -10 HSX N22W88

Region 8759

Number of
sunspots
Size Class Magn. Class Spot Location
24 -10 180 -20 CAO N12W58

Solar flares on this day

M1.08

Region 8760

Number of
sunspots
Size Class Magn. Class Spot Location
1 -9 60 -390 HAX N17W93

Region 8763

Number of
sunspots
Size Class Magn. Class Spot Location
5 1 10 -30 BXO S13W20

Region 8765

Number of
sunspots
Size Class Magn. Class Spot Location
41 3 1190 260 EKC S12W08

Solar flares on this day

C3.97 M1.19

Region 8766

Number of
sunspots
Size Class Magn. Class Spot Location
24 4 360 30 EAC N18E16

Region 8767

Number of
sunspots
Size Class Magn. Class Spot Location
2 -4 20 CSO N42W68

Region 8768

Number of
sunspots
Size Class Magn. Class Spot Location
18 6 180 90 EAI N17W11

Region 8769

Number of
sunspots
Size Class Magn. Class Spot Location
1 110 30 HSX S12E53

Region 8770

Number of
sunspots
Size Class Magn. Class Spot Location
8 3 50 10 DSO S14W37

Solar flares on this day

C5.13

Region 8771

Number of
sunspots
Size Class Magn. Class Spot Location
13 70 CSO S13E59

Solar flares on this day

M2.06

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Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22000C7.46
32023C7.1
42023C6.8
52022C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

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