Viewing archive of Monday, 31 July 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxCM
197 582 2C1.54M1.771

Sunspot regions

Region 13379

Number of
sunspots
Size Class Magn. Class Spot Location
1 100 -80 HSX N14W90
HMIIF
HMIBC

Region 13380

Number of
sunspots
Size Class Magn. Class Spot Location
20 -1 400 160 DKC S10W39
HMIIF
HMIBC

Solar flares on this day

C4.5 C5.4 C5.7 C5.7

Region 13382

Number of
sunspots
Size Class Magn. Class Spot Location
1 180 AXX N18W88
HMIIF
HMIBC

Region 13384

Number of
sunspots
Size Class Magn. Class Spot Location
8 40 CAO N01W13
HMIIF
HMIBC

Region 13385

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX S15W92
HMIIF
HMIBC

Region 13386

Number of
sunspots
Size Class Magn. Class Spot Location
24 12 310 -10 EKI N12W07
HMIIF
HMIBC

Solar flares on this day

C3.0 C2.7

Region 13387

Number of
sunspots
Size Class Magn. Class Spot Location
9 4 110 -10 CSO N21E16
HMIIF
HMIBC

Region 13388

Number of
sunspots
Size Class Magn. Class Spot Location
2 40 10 HSX S23E07
HMIIF
HMIBC

Region 13389

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 30 -10 HSX S09E22
HMIIF
HMIBC

Region 13390

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 20 DSO S19E32
HMIIF
HMIBC

Solar flares on this day

C1.8 C6.8 M1.7

Region 13391

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 130 80 HSX N25E49
HMIIF
HMIBC

Region 13392

Number of
sunspots
Size Class Magn. Class Spot Location
3 40 DAI N09E50
HMIIF
HMIBC

Region 13393

Number of
sunspots
Size Class Magn. Class Spot Location
3 60 HSX N16E26
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/10/31X2.03
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Last 30 days160.9 +7.7

This day in history*

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*since 1994

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