Viewing archive of Friday, 1 September 2017 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxC
62 30 -1B2.4C2.063

Sunspot regions

Region 12672

Number of
sunspots
Size Class Magn. Class Spot Location
4 -2 70 DAO N07W70

Region 12673

Number of
sunspots
Size Class Magn. Class Spot Location
1 80 10 HSX S08E36

Region 12674

Number of
sunspots
Size Class Magn. Class Spot Location
10 5 770 280 EHO N13E53

Solar flares on this day

B4.9 B3.4 B4.6 B7.1 B3.7 C2.0 B8.0 B5.4 B4.6 C1.4

Region 12675

Number of
sunspots
Size Class Magn. Class Spot Location
4 30 DRO S07W24

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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 2019:211
Current stretch spotless days:13

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*since 1994

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