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-flare2024/11/06X2.39
Last M-flare2024/11/13M1.7
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
November 2024166 -0.4
Last 30 days163.2 +18.4

This day in history*

Solar flares
11999X1.15
21999M8.06
32005M5.58
41999M4.11
52005M3.72
DstG
11960-167G3
21998-109G2
32012-108G2
41989-105
51979-90G1
*since 1994

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