Viewing archive of Thursday, 27 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
154 73 1C1.81M1.98152

Sunspot regions

Region 13376

Number of
sunspots
Size Class Magn. Class Spot Location
5 -2 140 20 DAO N24W89
HMIIF
HMIBC

Solar flares on this day

C5.4 C4.0 C3.1 C4.7 C4.8 C5.6 C9.1 M1.9 C2.7 C3.2 C5.0 C3.5 C2.7

Region 13377

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 220 -10 DSO S09W62
HMIIF
HMIBC

Region 13378

Number of
sunspots
Size Class Magn. Class Spot Location
1 50 HAX S28W98
HMIIF
HMIBC

Region 13379

Number of
sunspots
Size Class Magn. Class Spot Location
7 -1 200 -55 CSO N13W37
HMIIF
HMIBC

Region 13380

Number of
sunspots
Size Class Magn. Class Spot Location
7 -3 110 CSO S12E10
HMIIF
HMIBC

Solar flares on this day

C6.6

Region 13382

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX N19W32
HMIIF
HMIBC

Region 13383

Number of
sunspots
Size Class Magn. Class Spot Location
5 4 20 10 HSX N15W22
HMIIF
HMIBC

Region 13384

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 10 BXO S18E29
HMIIF
HMIBC

Region 13385

Number of
sunspots
Size Class Magn. Class Spot Location
1 -4 20 -20 HRX S16W35
HMIIF
HMIBC

Region 13386

Number of
sunspots
Size Class Magn. Class Spot Location
11 4 180 70 DSI N11E47
HMIIF
HMIBC

Region 13387

Number of
sunspots
Size Class Magn. Class Spot Location
2 60 HAX N18E66
HMIIF
HMIBC

Solar flares on this day

C3.9 C3.9 C2.4

Region 13388

Number of
sunspots
Size Class Magn. Class Spot Location
3 30 CSO S23E62
HMIIF
HMIBC

Solar flares on this day

M1.75

Region 13389

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 HSX S09E72
HMIIF
HMIBC

All times in UTC

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Last X-flare2024/11/06X2.39
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Spotless days
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This day in history*

Solar flares
11998X5.37
21998X3.59
32001X1.41
42001M5.51
51998M2.7
DstG
11991-139G2
21982-114G2
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*since 1994

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