Viewing archive of Friday, 11 September 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 fluxCM
134 111 1B7.71M3.1151

Sunspot regions

Region 8323

Number of
sunspots
Size Class Magn. Class Spot Location
1 -6 80 -270 HSX S27W84

Region 8326

Number of
sunspots
Size Class Magn. Class Spot Location
5 -3 20 BXO N22W12

Region 8327

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 AXX N28W13

Region 8328

Number of
sunspots
Size Class Magn. Class Spot Location
5 -5 90 -50 CSO S17W08

Region 8329

Number of
sunspots
Size Class Magn. Class Spot Location
11 -10 200 -40 ESO N14W18

Solar flares on this day

C2.71

Region 8330

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 40 HSX S22E24

Region 8331

Number of
sunspots
Size Class Magn. Class Spot Location
15 3 190 30 DAO N26E24

Region 8333

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 20 10 BXO N12W41

Solar flares on this day

C2.51 C3.57 M3.11 C2.87

All times in UTC

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Last X-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/03Kp7- (G3)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 2026118.8 +32.8
Last 30 days102.1 +47

This day in history*

Solar flares
12001X1.14
22000M4.54
32003M3.68
42002M3.12
52002M1.68
DstG
11984-100G3
21971-97G2
32006-82G2
41959-73G2
51995-68G1
*since 1994

Aurora on this day in history

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