Viewing archive of Thursday, 8 October 2015 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot numberNew regionsBackground fluxMaximum flux
241 1A9.4B2.71

Sunspot regions

Region 12427

Number of
sunspots
Size Class Magn. Class Spot Location
1 -1 100 HSX N16W86

Solar flares on this day

B1.7 B2.7

Region 12429

Number of
sunspots
Size Class Magn. Class Spot Location
3 1 10 BXO S19E42

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:239
Current stretch spotless days:12

This day in history*

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*since 1994

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