Viewing archive of Tuesday, 18 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
142 -70 -3C2.13M5.7294

Sunspot regions

Region 13363

Number of
sunspots
Size Class Magn. Class Spot Location
3 -7 380 -320 HKX S25W86
HMIIF
HMIBC

Solar flares on this day

M5.7 C5.2 C8.5

Region 13371

Number of
sunspots
Size Class Magn. Class Spot Location
1 0 -20 AXX S14W35
HMIIF
HMIBC

Region 13372

Number of
sunspots
Size Class Magn. Class Spot Location
20 -1 560 -140 FHO N24W09
HMIIF
HMIBC

Solar flares on this day

C5.0

Region 13373

Number of
sunspots
Size Class Magn. Class Spot Location
18 -2 500 50 EKC N07E13
HMIIF
HMIBC

Solar flares on this day

C4.8 C3.2 C6.0

Region 13374

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 20 -10 HRX S09E24
HMIIF
HMIBC

Region 13375

Number of
sunspots
Size Class Magn. Class Spot Location
1 -3 0 -20 AXX N12W67
HMIIF
HMIBC

Region 13376

Number of
sunspots
Size Class Magn. Class Spot Location
15 4 180 150 DSO N23E29
HMIIF
HMIBC

Solar flares on this day

C8.3

Region 13377

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 210 180 DSO S09E59
HMIIF
HMIBC

All times in UTC

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This day in history*

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*since 1994

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