Viewing archive of Tuesday, 18 July 2017 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
0 -130B2.4C2.145

Sunspot regions

Region 12665

Number of
sunspots
Size Class Magn. Class Spot Location
3 -2 450 110 CHO S06W86

Solar flares on this day

B7.3 C2.1 B5.6 B5.0 B8.7 C1.3 C1.3 C1.7

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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 2019:209
Current stretch spotless days:11

This day in history*

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ApG
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*since 1994

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