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Solar activity forecast for the period December 22 - December 28, 2017

Dátum: 22.12.2017
Autor: Podduklianske osvetové stredisko
Solar activity forecast for the period December 22 - December 28, 2017
predpoveď geomagnetickej aktivity

Solar activity forecast for the period December 22 - December 28, 2017

Issued: 2017 Dec 21 2100 UTC

Activity level from Dec 22 to Dec 25: mostly very low

X-ray background flux (1.0-8.0 A): in the range A2.5-A9.0

Radio flux (10.7 cm): a fluctuation in the range 70-85 f.u.

Events: class C (0-2/period), class M (0/period), class X (0/period), proton (0/period)

Relative sunspot number (Ri): in the range 11-35

Activity level from Dec 26 to Dec 28: mostly very low

X-ray background flux (1.0-8.0 A): in the range A2.0-A9.5

Radio flux (10.7 cm): a fluctuation in the range 65-85 f.u.

Events: class C (0-2/period), class M (0/period), class X (0/period), proton (0/period)

Relative sunspot number (Ri): in the range 0-35

Jozef Lesko

Roztoky Observatory, Slovak Republic

e-mail: safor (at) protonmail.ch

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