Viewing archive of Sunday, 10 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 fluxC
62 -81B3.86C1.461

Sunspot regions

Region 8426

Number of
sunspots
Size Class Magn. Class Spot Location
3 90 10 ESO N14W64

Region 8431

Number of
sunspots
Size Class Magn. Class Spot Location
6 -1 40 30 DSO S28E06

Solar flares on this day

C1.46

Region 8433

Number of
sunspots
Size Class Magn. Class Spot Location
7 2 10 -10 BXO S28W18

Region 8434

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 10 BXO S27E22

Region 8436

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S30E64

All times in UTC

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Last X-flare2026/01/18X1.9
Last M-flare2026/02/01M1.9
Last geomagnetic storm2026/01/28Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2025124 +32.2
Last 30 days119.2 +2.7

This day in history*

Solar flares
12014M4.37
22025M2.5
32026M1.9
42003M1.76
52026M1.7
DstG
11992-91G2
21982-83G2
31993-83G1
41991-79G2
51989-67G1
*since 1994

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