Viewing archive of Sunday, 4 October 1998 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum flux
21 -170B2.86B7.17

Sunspot regions

Region 8346

Number of
sunspots
Size Class Magn. Class Spot Location
1 -2 0 -20 AXX S27W79

Region 8349

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 BXO S27E06

Region 8350

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 260 DAO N19E54

Solar flares on this day

B6.04

All times in UTC

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Last X-flare2025/12/08X1.1
Last M-flare2025/12/21M1.3
Last geomagnetic storm2025/12/22Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025114.8 +23
Last 30 days109.3 +22.9

This day in history*

Solar flares
12001M5
22024M4.8
32024M4.1
42023M2.9
52023M2.6
DstG
11995-65G1
22014-57
32001-55G1
42002-49G1
51990-47
*since 1994

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