Viewing archive of Monday, 21 September 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
68 -60 -1B2.9C8.884

Sunspot regions

Region 12415

Number of
sunspots
Size Class Magn. Class Spot Location
12 -7 240 EAC S19W56

Solar flares on this day

B5.3

Region 12418

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 210 -20 CAO S15W21

Region 12419

Number of
sunspots
Size Class Magn. Class Spot Location
5 -1 30 -20 CAO N12W19

Region 12420

Number of
sunspots
Size Class Magn. Class Spot Location
12 270 EKC N09E71

Solar flares on this day

C2.8 C4.2 B6.3 C1.5 C8.8 B5.4

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Last X-flare:2017/09/10X8.2
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Last geomagnetic storm:2019/10/26Kp5 (G1)
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This day in history*

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*since 1994

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