Viewing archive of Saturday, 9 September 2017 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum fluxCM
49 -400B6.7M3.79103

Sunspot regions

Region 12673

Number of
sunspots
Size Class Magn. Class Spot Location
19 -2 1060 60 DKC S09W70

Solar flares on this day

C1.0 C6.3 C4.2 M1.1 C1.4 C1.7 C1.5 M3.7 C1.4 C1.7 M1.1

Region 12674

Number of
sunspots
Size Class Magn. Class Spot Location
9 -4 650 50 FKO N13W54

Region 12677

Number of
sunspots
Size Class Magn. Class Spot Location
3 10 AXX N17W02

Region 12678

Number of
sunspots
Size Class Magn. Class Spot Location
5 2 30 -10 CRO N11E05

Region 12679

Number of
sunspots
Size Class Magn. Class Spot Location
3 -1 10 BXO N15W41

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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 2019:219
Current stretch spotless days:21

This day in history*

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*since 1994

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