October 20 – 26, 2023

Solar activity forecast for the period October 20 – 26, 2023

Issued: 2023 Oct 19 2100 UTC

Activity level from Oct 20 to Oct 23: low to moderate
X-ray background flux (1.0-8.0 A): in the range B3.0-C1.0
Radio flux (10.7 cm): a fluctuation in the range 110-165 f.u.
Events: class C (1-15/day), class M (0-4/day), class X (0/period), proton (0/period)
Relative sunspot number (Ri): in the range 45-145

Activity level from Oct 24 to Oct 26: low to moderate
X-ray background flux (1.0-8.0 A): in the range B3.0-C2.0
Radio flux (10.7 cm): a fluctuation in the range 115-170 f.u.
Events: class C (2-20/day), class M (0-4/day), class X (0/period), proton (0-1/period)
Relative sunspot number (Ri): in the range 50-150

Jozef Lesko
Roztoky Observatory, Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch

Geomagnetic activity forecast for the period October 20 – 26, 2023

Issued: 2023 Oct 19 2130 UTC

Quiet to active: Oct 20 – 26

Jozef Lesko
Roztoky Observatory, Slovak Republic
https://roztoky.space/category/predpovede/
e-mail: safor (at) protonmail.ch