Solar activity forecast for the period December 8 - December 14, 2017

Solar activity forecast for the period December 8 - December 14, 2017
Issued: 2017 Dec 7 2145 UTC
Activity level from Dec 8 to Dec 11: very low
X-ray background flux (1.0-8.0 A): in the range A1.0.0-A7.5
Radio flux (10.7 cm): a fluctuation in the range 65-80 f.u.
Events: class C (0/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-20
Activity level from Dec 12 to Dec 14: mostly very low
X-ray background flux (1.0-8.0 A): in the range A1.0-A8.5
Radio flux (10.7 cm): a fluctuation in the range 65-80 f.u.
Events: class C (0-1/period), class M (0/period), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 0-25
Jozef Lesko
Roztoky Observatory, Slovak Republic
e-mail: safor (at) protonmail.ch
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