Hvezdáreň Roztoky

November 5 – 11, 2021

Solar activity forecast for the period November 5 – 11, 2021

Issued: 2021 Nov 4 2100 UTC

Activity level from Nov 5 to Nov 8: mostly low
X-ray background flux (1.0-8.0 A): in the range A9.0-B8.0
Radio flux (10.7 cm): a fluctuation in the range 80-110 f.u.
Events: class C (0-10/day), class M (0-1/day), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 11-75

Activity level from Nov 9 to Nov 11: mostly low
X-ray background flux (1.0-8.0 A): in the range A9.0-B8.0
Radio flux (10.7 cm): a fluctuation in the range 80-110 f.u.
Events: class C (0-10/day), class M (0-1/day), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 11-75

Jozef Lesko
Roztoky Observatory, Slovak Republic
www.osveta.sk/n/11283/astronomia.html
e-mail: safor (at) protonmail.ch

Geomagnetic activity forecast for the period November 5 – 11, 2021

Issued: 2021 Nov 4 2130 UTC

Quiet to unsettled: Nov 9 – 11
Quiet to active: Nov 8
Unsettled to active: Nov 5 – 7

Jozef Lesko
Roztoky Observatory, Slovak Republic
www.osveta.sk/n/11283/astronomia.html
e-mail: safor (at) protonmail.ch