Viewing archive of Thursday, 13 August 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
109 -280 -1B6.43M1.3781

Sunspot regions

Region 8293

Number of
sunspots
Size Class Magn. Class Spot Location
21 -17 390 -30 FAC S23W58

Solar flares on this day

M1.37 C2.63

Region 8297

Number of
sunspots
Size Class Magn. Class Spot Location
12 3 400 CKO N29E00

Region 8298

Number of
sunspots
Size Class Magn. Class Spot Location
14 -1 60 CAO N20W51

Region 8299

Number of
sunspots
Size Class Magn. Class Spot Location
13 520 60 CKO N16E14

Solar flares on this day

C1.3 C2.24 C1.87 C1.99

Region 8300

Number of
sunspots
Size Class Magn. Class Spot Location
2 -4 0 -20 BXO S27W44

Solar flares on this day

C1.4

Region 8301

Number of
sunspots
Size Class Magn. Class Spot Location
3 160 -30 ESO S20E35

Region 8302

Number of
sunspots
Size Class Magn. Class Spot Location
2 10 BXO S14E30

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Last X-flare2024/03/28X1.1
Last M-flare2024/04/27M3.0
Last geomagnetic storm2024/04/26Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8
Last 30 days137.7 +30.3

This day in history*

Solar flares
12001M1.01
22024C7.7
32000C7.46
42023C7.1
52023C6.8
ApG
11937128G4
2196960G3
3196084G3
4195664G3
5198561G3
*since 1994

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