Viewing archive of Monday, 17 April 2023 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
162 71C1.3C7.097

Sunspot regions

Region 13272

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 10 -20 BXO S22W68
HMIIF
HMIBC

Region 13273

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 AXX N08W82
HMIIF
HMIBC

Region 13275

Number of
sunspots
Size Class Magn. Class Spot Location
1 10 -10 AXX N19W30
HMIIF
HMIBC

Region 13276

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 10 -10 AXX S23W19
HMIIF
HMIBC

Region 13279

Number of
sunspots
Size Class Magn. Class Spot Location
15 5 80 -100 FAO S20W02
HMIIF
HMIBC

Solar flares on this day

C2.1

Region 13280

Number of
sunspots
Size Class Magn. Class Spot Location
3 -5 160 -40 CSO S07W84
HMIIF
HMIBC

Solar flares on this day

C4.1 C2.3

Region 13281

Number of
sunspots
Size Class Magn. Class Spot Location
16 4 160 -140 EKI S24E19
HMIIF
HMIBC

Solar flares on this day

C2.2 C7.0

Region 13282

Number of
sunspots
Size Class Magn. Class Spot Location
21 4 390 -140 EKI N11E11
HMIIF
HMIBC

Solar flares on this day

C2.2 C6.8

Region 13283

Number of
sunspots
Size Class Magn. Class Spot Location
6 1 40 -10 CRO S22E35
HMIIF
HMIBC

Region 13284

Number of
sunspots
Size Class Magn. Class Spot Location
2 30 CAO S08E71
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
11999X1.15
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32005M5.58
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DstG
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*since 1994

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