Viewing archive of Saturday, 28 February 2015 - Sunspot regions

It appears that the image of the visible solar disk for this day in history is missing.
Sunspot number New regionsBackground fluxMaximum fluxC
70 120 -1B6.29C8.088

Sunspot regions

Region 12290

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 30 -20 CRO N19W50
HMIIF
HMIBC

Solar flares on this day

C1.52 C3.16 C2.12

Region 12293

Number of
sunspots
Size Class Magn. Class Spot Location
10 8 90 80 DAC N06E29
HMIIF
HMIBC

Solar flares on this day

C1.34

Region 12294

Number of
sunspots
Size Class Magn. Class Spot Location
15 80 DAI S14W14
HMIIF
HMIBC

Solar flares on this day

C3.61 C1.65 C8.07

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Last X-flare2024/05/03X1.6
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Monthly mean Sunspot Number
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This day in history*

Solar flares
12000M9.79
22024M9.0
32022M5.7
42022M5.3
52000M4.1
ApG
11998101G4
2197896G4
3193844G3
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*since 1994

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