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

All times in UTC

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Last X-flare2024/05/15X2.9
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Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024157.5 +21
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This day in history*

Solar flares
12002X3.07
22001M9.22
32023M8.96
42002M7.2
52002M6.81
ApG
1198143G2
2195639G2
3202332G2
4202124G1
5198430G1
*since 1994

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