Viewing archive of Saturday, 15 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
151 -20C1.49C7.1716

Sunspot regions

Region 13272

Number of
sunspots
Size Class Magn. Class Spot Location
6 -6 30 -30 CRO S21W46
HMIIF
HMIBC

Solar flares on this day

C2.3 C3.2

Region 13273

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 -10 HRX N11W51
HMIIF
HMIBC

Region 13275

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 -10 HAX N19W03
HMIIF
HMIBC

Region 13276

Number of
sunspots
Size Class Magn. Class Spot Location
2 1 10 BXO S21E09
HMIIF
HMIBC

Region 13279

Number of
sunspots
Size Class Magn. Class Spot Location
18 -4 140 -40 CAI S19E24
HMIIF
HMIBC

Solar flares on this day

C2.6

Region 13280

Number of
sunspots
Size Class Magn. Class Spot Location
14 -6 240 60 DSI N07W48
HMIIF
HMIBC

Solar flares on this day

C2.8 C3.3 C3.3 C4.9 C4.3 C3.5 C5.4

Region 13281

Number of
sunspots
Size Class Magn. Class Spot Location
12 4 310 -40 DKO S24E44
HMIIF
HMIBC

Solar flares on this day

C2.3 C3.3

Region 13282

Number of
sunspots
Size Class Magn. Class Spot Location
17 9 400 120 DKI N11E43
HMIIF
HMIBC

Solar flares on this day

C3.8 C2.9 C5.2 C7.0 C3.3

All times in UTC

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Last X-flare2024/12/08X2.2
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Spotless days
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December 2024103.3 -49.2
Last 30 days115.4 -40.8

This day in history*

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*since 1994

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