Viewing archive of Thursday, 9 April 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
37 -30B2.5C6.245

Sunspot regions

Region 12318

Number of
sunspots
Size Class Magn. Class Spot Location
4 30 -70 CAO N08E02
HMIIF
HMIBC

Region 12320

Number of
sunspots
Size Class Magn. Class Spot Location
16 1 140 -40 EAI S12W13
HMIIF
HMIBC

Solar flares on this day

B5.7 B3.8 B9.0 C5.4 C1.6 B4.8 B4.7 B5.1 B6.7 C5.9 C6.2 B6.9 C3.3

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2020/05/29M1.1
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:121
Current stretch spotless days:30

This day in history*

Solar flares
12002M1.6
22002M1.3
31999C8.7
42003C8.6
52011C7.0
ApG
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5200022
*since 1994

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