September 29 – October 5, 2023

Solar activity forecast for the period September 29 – October 5, 2023

Issued: 2023 Sep 28 2100 UTC

Activity level from Sep 29 to Oct 2: low to high
X-ray background flux (1.0-8.0 A): in the range B8.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 130-185 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 65-170

Activity level from Oct 3 to Oct 5: low to high
X-ray background flux (1.0-8.0 A): in the range B7.0-C3.0
Radio flux (10.7 cm): a fluctuation in the range 135-190 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 70-175

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

Geomagnetic activity forecast for the period September 29 – October 5, 2023

Issued: 2023 Sep 28 2130 UTC

Quiet to active: Sep 29 – Oct 5

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