Viewing archive of Sunday, 10 September 2017 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxCX
38 -111 1B4.9X8.2841

Sunspot regions

Region 12673

Number of
sunspots
Size Class Magn. Class Spot Location
8 -11 530 -530 DKC S09W83

Solar flares on this day

C9.0 C2.9 X8.2

Region 12674

Number of
sunspots
Size Class Magn. Class Spot Location
7 -2 560 -90 FKO N13W67

Region 12678

Number of
sunspots
Size Class Magn. Class Spot Location
4 -1 20 -10 CRO N11W07

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/08/05Kp5 (G1)
Number of spotless days in 2019:158
Current stretch spotless days:13

This day in history*

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11998X3.9
22002M3.1
31998M3.0
42004M3.0
52003M2.7
ApG
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2200230G1
3201729G1
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*since 1994

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