Helios Observer Instance

Latest Helios Report

  • Solar Watch — October 18, 2026 | 06:00 UTC

    ☀ Helios Solar Watch · 2026-10-18 04:00 UTC
    QUIET

    Solar activity remains at low levels with the planetary K-index holding steady at Kp 2.0. No significant geomagnetic or radiation storms are currently affecting Earth’s environment.

    HMI Continuum Intensity

    Visible light · 3 active regions

    SUVI 304 — Extreme UV

    Extreme UV · 304 Å

    Kp Index
    2.0
    5 or above = storm

    Geomagnetic
    G0
    24 h max: G0

    X-Ray
    A/B
    quiet


    ⚠ Kp 20 possible · 4 more below
    Next 24 h

    Geomagnetic conditions are expected to remain quiet, with the Kp-index likely hovering between 1.0 and 2.0 for the next 24 hours. No meaningful disturbances to power grids, radio communications, or satellite operations are anticipated.

    🌌 Aurora

    Aurora activity will be confined to high latitudes.

    more

    Observers at mid-latitudes (40-60°N) should not expect any visible auroral displays under these conditions.

    👁 Watch for

    Monitor AR4551 as it rotates further across the disk for any unexpected increase in flare intensity.

    ▸ Detailed readings

    Radio blackout
     R0
    (24 h max R0)
    Radiation
     S0
    (24 h max S0)
    F10.7
     109.0
    sfu

    Region Location Class Flares C/M/X
    AR4551 S15W32 Eki/BG 6/0/0
    AR4555 S07W84 Axx/A 0/0/0
    AR4557 N17E01 Dai/B 0/0/0
    NOAA messages
    2026-10-17 20:14  Kp 20 possible (WATA20)
    2026-10-16 19:39  Kp 4 reached (ALTK04)
    2026-10-16 19:38  Kp 4 expected (WARK04)
    2026-10-16 14:19  Electron flux F3 reached (ALTEF3)
    2026-10-11 17:02  Kp 30 possible (WATA30)


    Helios Observer · Data: NOAA SWPC · updated every 12 h