Author: sitemill

  • Solar Watch — September 13, 2026 | 06:00 UTC

    ☀ Helios Solar Watch · 2026-09-13 04:00 UTC
    QUIET

    Solar activity is currently subdued with no significant geomagnetic disturbances observed or expected. Earth’s magnetosphere remains in a quiet state, reflecting the lack of high-energy solar eruptive events.

    HMI Continuum Intensity

    Visible light · 6 active regions

    SUVI 304 — Extreme UV

    Extreme UV · 304 Å

    Kp Index
    1.0
    5 or above = storm

    Geomagnetic
    G0
    24 h max: G0

    X-Ray
    A/B
    quiet


    ⚠ Electron flux F3 reached · 4 more below
    Next 24 h

    Conditions are expected to remain quiet over the next 24 hours, with the K-index predicted to fluctuate slightly between 2.0 and 2.3. No significant solar radiation storms or radio blackouts are anticipated during this period.

    🌌 Aurora

    Aurora activity will be restricted to high polar latitudes.

    more

    There is no probability of visible auroras for mid-latitude observers at this time.

    👁 Watch for

    Monitor the complexity of active regions AR4529 and AR4530, as their magnetic configuration maintains a 15% probability of producing M-class flares within the next 24 hours.

    ▸ Detailed readings

    Radio blackout
     R0
    (24 h max R0)
    Radiation
     S0
    (24 h max S0)
    F10.7
     127.0
    sfu

    Region Location Class Flares C/M/X
    AR4524 N12W54 Hrx/A 0/0/0
    AR4525 N11W38 Axx/A 0/0/0
    AR4527 N04W33 Hsx/A 0/0/0
    AR4528 S11W17 Hsx/A 0/0/0
    AR4529 N12W18 Cao/B 0/0/0
    AR4530 N19W49 Dao/B 0/0/0
    NOAA messages
    2026-09-12 06:45  Electron flux F3 reached (ALTEF3)
    2026-09-09 21:01  Kp 30 possible (WATA30)
    2026-09-08 17:51  Kp 5 (G1) reached (ALTK05)
    2026-09-08 17:30  Kp 4 expected (WARK04)
    2026-09-08 17:27  Kp 5 (G1) expected (WARK05)


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