Author: sitemill

  • Solar Watch — July 11, 2026 | 18:00 UTC

    ☀ HELIOS SOLAR WATCH · 2026-07-11 16:00 UTC
    Solar activity remains stable and quiet with low geomagnetic disturbance
    SOLAR: MODERATE
    GEO: QUIET

    Active Regions
    3
    X-Ray
    A/B (quiet)

    Solar activity is currently stable, with geomagnetic conditions remaining at quiet levels. The sun is exhibiting moderate activity with six active regions present, but none currently pose an immediate threat of significant terrestrial impact.

    HMI Continuum Intensity

    HMI Continuum · Visible Light

    SUVI 304 — Extreme UV

    SUVI 304Å · Extreme Ultraviolet

    R0
    Radio Blackouts
    24h max: R0

    S0
    Solar Radiation
    24h max: S0

    G0
    Geomagnetic Storm
    24h max: G0

    Planetary Kp-Index
    2.0
    0–9 scale · ≥5 = geomagnetic storm

    F10.7 Solar Flux
    135.0
    sfu · >150 = high activity

    The planetary K-index is holding steady at Kp 2.0, indicating a lack of geomagnetic storming. The F10.7 solar flux is at 135 sfu, reflecting a moderate level of solar output typical for the current cycle. X-ray flux remains in the A/B range, with only minor C-class flare activity observed over the last 12 hours.

    Key Metric

    The F10.7 solar flux of 135 sfu is the primary indicator of ongoing solar cycle activity, confirming that despite the quiet geomagnetic state, the sun remains moderately active.

    Geomagnetic conditions are expected to remain at quiet levels, with Kp values not projected to exceed 2.33 in the next 24 hours. Radio propagation conditions should remain stable, though minor, localized fluctuations are possible given the 90% probability of low-level C-class flares.

    🌌 Aurora Outlook

    Aurora activity is expected to be confined to high latitudes. Observers at mid-latitudes (40-60°N) should not expect visible displays under current conditions.

    Region Location Class Flares C/M/X
    AR4485 S10W68 Dac/BG 1/0/0
    AR4482 S08W12 Cko/B 0/0/0
    AR4481 N14W47 Axx/A 0/0/0
    2026-07-11 05:01:51.583Space Weather Message Code: ALTEF3
    2026-07-10 19:46:30.540Space Weather Message Code: WATA20
    2026-07-10 11:51:50.717Space Weather Message Code: WARK04
    2026-07-10 11:26:49.100Space Weather Message Code: ALTEF3
    2026-07-09 11:20:12.013Space Weather Message Code: ALTK04

    Monitor the development of active region AR4485 as it rotates toward the solar limb; while currently producing only minor flares, its magnetic complexity warrants observation.