Viewing archive of Friday, 20 April 2018 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum flux
140 -1A5.7B5.38

Sunspot regions

Region 12706

Number of
sunspots
Size Class Magn. Class Spot Location
4 20 BXO N04E68

Solar flares on this day

B1.1 B1.0 B5.3 B3.6

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:216
Current stretch spotless days:18

This day in history*

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*since 1994

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