Helios Observer Instance

Latest Helios Report

  • Solar Watch — September 15, 2026 | 18:00 UTC

    ☀ Helios Solar Watch · 2026-09-15 16:00 UTC
    QUIET

    Solar activity remains in a quiet-to-unsettled state, with a minor geomagnetic disturbance expected within the next several hours. No significant eruptive flares have been detected in the last 24 hours.

    HMI Continuum Intensity

    Visible light · 3 active regions

    SUVI 304 — Extreme UV

    Extreme UV · 304 Å

    Kp Index
    2.3
    5 or above = storm

    Geomagnetic
    G0
    24 h max: G1

    X-Ray
    A/B
    quiet


    ⚠ Kp 4 reached · 4 more below
    Next 24 h

    Geomagnetic conditions are expected to briefly peak at a Kp of 4.67 (G1 level) around 21:00 UTC today. Conditions should return to quiet-to-unsettled levels by early tomorrow morning.

    more

    No significant solar radiation storms or radio blackouts are anticipated.

    🌌 Aurora

    Aurora activity will be limited primarily to high latitudes.

    more

    Given the brief forecast peak of Kp 4.67, observers in Scandinavia, Canada, and extreme northern regions of the US may see some auroral activity, though it is unlikely to reach lower mid-latitudes.

    👁 Watch for

    Monitor the Kp index at 21:00 UTC to confirm the expected brief geomagnetic enhancement.

    ▸ 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
    AR4527 N03W72 Hax/A 0/0/0
    AR4528 S11W57 Hsx/A 0/0/0
    AR4531 S08W09 Bxo/B 0/0/0
    NOAA messages
    2026-09-14 18:02  Kp 4 reached (ALTK04)
    2026-09-14 16:54  Kp 4 expected (WARK04)
    2026-09-14 15:47  Kp 20 possible (WATA20)
    2026-09-14 11:03  Electron flux F3 reached (ALTEF3)
    2026-09-09 21:01  Kp 30 possible (WATA30)


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