Viewing archive of Friday, 28 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
111 -250 -1B6.94C7.1812

Sunspot regions

Region 13285

Number of
sunspots
Size Class Magn. Class Spot Location
5 220 -20 CAO S19W24
HMIIF
HMIBC

Solar flares on this day

C6.7 C2.8 C4.2

Region 13286

Number of
sunspots
Size Class Magn. Class Spot Location
4 1 10 BXO S11W16
HMIIF
HMIBC

Region 13288

Number of
sunspots
Size Class Magn. Class Spot Location
23 -6 390 10 EHI S23W21
HMIIF
HMIBC

Solar flares on this day

C4.9 C2.8 C1.5 C2.6 C2.9 C4.2 C3.1 C2.6 C6.1

Region 13289

Number of
sunspots
Size Class Magn. Class Spot Location
10 5 180 DSI N20E37
HMIIF
HMIBC

Solar flares on this day

C6.8

Region 13290

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 BXO N24W73
HMIIF
HMIBC

Region 13291

Number of
sunspots
Size Class Magn. Class Spot Location
8 -12 30 CRO N09W16
HMIIF
HMIBC

Region 13292

Number of
sunspots
Size Class Magn. Class Spot Location
1 20 10 HRX N14E48
HMIIF
HMIBC

All times in UTC

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This day in history*

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*since 1994

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