Viewing archive of Sunday, 27 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 fluxC
87 -280B5.71C8.598

Sunspot regions

Region 8338

Number of
sunspots
Size Class Magn. Class Spot Location
1 70 10 HSX N32W45

Region 8339

Number of
sunspots
Size Class Magn. Class Spot Location
4 80 BXO S14W71

Solar flares on this day

C2.71

Region 8340

Number of
sunspots
Size Class Magn. Class Spot Location
18 350 -40 CKI N21W40

Solar flares on this day

C3.77 C7.54 C8.59

Region 8342

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 20 HSX N18W61

Region 8343

Number of
sunspots
Size Class Magn. Class Spot Location
2 -5 0 -20 BXO N41W21

Region 8344

Number of
sunspots
Size Class Magn. Class Spot Location
7 -5 70 CSO S20W31

Region 8346

Number of
sunspots
Size Class Magn. Class Spot Location
12 5 120 50 DAO S28E13

Solar flares on this day

C8.59 C1.38

All times in UTC

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Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/02/22Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (5%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 202674.6 -38
Last 30 days79 -41.8

This day in history*

Solar flares
11999M9.44
22023M8.62
32002M3.28
42014M1.59
52011M1.57
DstG
12023-100G2
22014-94
31999-87G1
41985-84G3
51968-82G1
*since 1994

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