Viewing archive of Saturday, 16 January 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
1060B9.43M5.27202

Sunspot regions

Region 8437

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 HSX N10E03

Region 8438

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 0 AXX S18W28

Region 8439

Number of
sunspots
Size Class Magn. Class Spot Location
24 5 270 EAI S24E41

Solar flares on this day

C2.16 C3.24

Region 8440

Number of
sunspots
Size Class Magn. Class Spot Location
26 14 300 110 DAI N20E42

Solar flares on this day

C1.44 C1.87 C4.1 C4.2 C3.6 C2.29 C2.99 C3.27 C3.4 M5.27 C5.86 C3.49 C4.26 C7.21

Region 8441

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 10 10 BXO N17E14

All times in UTC

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/22M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024144.1 -22.3
Last 30 days158 +10.7

This day in history*

Solar flares
11998X3.24
21998M4.53
32013M1.69
42000M1.56
52013M1.54
DstG
11997-108G3
21982-101G2
31959-95G2
41991-84G1
51981-81
*since 1994

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