Atmospheric
Optics

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    Reflection Caustics

    Fogbow, Australia

    Elusive Parhelia

    Corona Colours

    Stone Ships & Halos

    Bright Noctilucent Clouds

    Glaciating Altocumulus

    Hole Punch Cloud & Halo

    Virga/Fall Streaks

    Zenith Pointers

    Korea Halos

    Athens & Halos

    Pyramidal Crystal Plate Arcs

    Lake Reflections

    Snow Crystals

    Rare Norway Display

    CHAs & Latitude

    Iridescence

    NLC Season Starts

    Birefringence & Airplane Windows

    Mount Wendelstein Rainbow

    Colorado Circumzenithall Arc

    Constant Optics

    Glitter Paths

    Sign of Summer

    All in a Day

    Fundy Fogbow

    California Halos

    Green Rim

    Sky Geometry

    Alexandria Sunset

    Order & Chaos

   Cloud Shadows

    Montana Mesas?

    Pollen Coronae - Moon & Venus

    Brazil Halos

    Odd & Even

    End faces

    Goodbye Hesperus

    Art & Optics

    All in a Flight

    Venus Aureole or Corona?

    Shetland Pyramids

    4 out of 5

    Contrails, Shadows, Engines

   Once in a blue moon?

    Snake Valley Halo

    Changing Shadows

    Corona

   Teatime Optics

    Lunar Halo

    Moonbows, Stars, Sunrise, more Rainbows

    6 Bows

    Road Blink

    Tennessee Fogbow

    Auroral Oxygen, Fairbanks, Alaska

    Animated Airglow

    HDR Corona

    Finland Green Flashes

    Etruscan Vase Moonrise, Maine

    Pillars of Venus

    Lunar & Venusian Coronae

    Oval Venus Coronae?

    Etna Shadow

    Lowitz Arcs over Portugal

    Pillars with Flares - Part 2

    Polar Stratospheric Clouds

    Alaska Fata Morgana

    Sky Wide Rays

    East & West

    Subhorizon Arcs, Odd and Even Reflections

    Extremely rare 44 degree parhelia (sundogs)

    Rainbow Making

    Green Flash, Austria

    Hoar Frost Crystals

    Humidifier Iridescence

    Moonset Mirage

    Lunar Crepuscular Rays


    Swedish Reflected Lowitz Arcs

    Pillars with Flares - Part 1

    Fog Shadows, Hungary


    Wendelstein Halo

   South Pole Midsummer

    Nacreous Clouds Season

    Cloudbow