Atmospheric
Optics

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Most recent 50
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 Lunar Elliptical Halos & Paraselenic Circle

 Lunar Halos

 Sub Horizon Lowitz Arcs

 NW England Halos

 Wales Mountain Halos

 Elliptical Halo & Moilanen Arc

 Lunar Alpine Halo

 Crystal Halos - Poland

 Sweden Halos

 Three Suns - Northern Mongolia

 Reflections on Sundogs

 Eclipse Night Venus Pillars

 Sun Pillar - Southern Urals, Russia

 NY Circumzenithal Arc

 Florida Halo Display

 Multiple Contrail Shadows

 Bouguer's Halo

  Lunar 22° Halo, Hawaii

  Greenland Halos

  Red Arrows & Shifting Sundogs

  Ice Cap Halos - Greenland

  Hungarian Dog

  Canine Skies

  Diamond Dust Lower Pillar

  California Halos

  Linear Hole Punch

  Upper & Lower Pillars

  Lunar Circumhorizon Arc

  Circumscribed Halo, Finland

  New Halo Book

  European rarity

  Hole in the sky?

  Circumhorizon arcs - Wisconsin

  High sun lower Parry arc - Florida

  Subsun

  Twin Halos

 Upper & Lower Sun Pillar

  Two Summer Arcs - South Korea

  Norway Sundog

  New Zealand Halos - To enhance or not?

   Winter Halos

   Diamond Dust Display

   Halos at 34000 feet

   Atlantic Ocean Halos

   Lowitz and Parry Arcs

   Swiss Diamond Dust

   Montana Halos

   Twin Crescents, California

   Calgary Pillars

   Alpine Sun Pillar

   Spanish Diamond Dust Halos

   Ground Halo, Germany

   Yosemite Lowitz Arcs

   Finland Elliptical Halos

   Light Pillars near St Petersburg

   44 degree parhelion?

   Swiss Alps Halos

   Cluster Crystals

   Red Upper Tangent Arc

   Winter CZA

   Greenland Subsun

   Swedish Rare Halos

   Manchester Halos

   Moilanen Arc, Switzerland

   Stockholm Dawn Pillar

   Summer Halo in Winter

   Avebury Halos

   High Sun Parry Arcs

   Oslo Rarities

   White Parhelion

   Greenland Ice Cap ~ Lunar Halos

   Thailand Pyramidal Crystal Halos

   Ottawa Dawn Pillar

   Vienna Sundog Twins

   All 3 Lowitz Arcs, Netherlands

   Contrail Parhelion

   Lunar Halo, Norway

   Belfry and Lunar 22-degree Halos

   New Mexico Pillar

   BC, Canada Lower Parry Arc

   Parry Kaleidoscope

   Prague Halos

   Dakota Badlands Pillar

   Lone Upper Tangent Arc

   Denmark's 1st August 2010 Halos

   Venus Pillar

   Rare for some - UK Circumhorizon Arc

   Oregon Rarities

   Perfect Circumscribed Halo

   120 degree parhelion

   Wales Pyramidal Halo

   Always search for it

   High sun parhelic circle

   Norway Boy & Halo

   Crosses in the sky

   Ireland Halos

   Welsh rarebit

   Swiss Halos

   Circumhorizon Arc

   Pelican Halo

   Bangkok Halos

   Circumzenithal & supralateral arc, Bulgaria

   Rio Halos

   Parry & Upper Tangent Arcs

   22 degree halo

   Complete Parhelic Circle

   Pillars Galore

   CZA, Australia

   Lone Arc - Norway

   Phone Camera Triumph

   New Hampshire Lowitz Arcs

   Lunar Elliptical Halo

   Bottlinger's Rings

   St Petersburg, Russia

   England Halos

   Sundog

   Hyperbolic Halo

   Sundog

   EU Halo Saturday

   Mars, Disk & Hole

   Russian Pillars

   Pillars at Trier

   Lowitz in Antarctica

   Moondogs & Mars, New Zealand

   Cheshmeh-Ali, Iran

   Upper & Lower Pillars, Norway

   Swedish Halo Display

   Sun Pillar, New Jersey

   White Dogs and Blue Spots

   Digging for Halos

   Nokia Pillars

   Digging for Halos

   90 degree arcs

    Vädersolstavlan, ‘Sundog painting’ Stockholm, Sweden

    Lunar halos

    Ribbed Halo

    Lunar Parry & Lowitz Arcs

    Two Arcs

    Sundogs - Nice, France

    CZA Moments - The Movie

    Circumhorizon & Infralateral Arcs

    Halley Halos

    Moving Pillar

    Virginia halos

    Very rare sub 120 parhelion

    Australian CZA

    Rare Lowitz Arc, Kiev

    Rare Halos at Zermatt

    Norwegian Halos

    Kievan Lights

    No Dogs on Beach (except Sundogs)

    Pillars & Columns

    Parry Arc

    Winter Halos

    Halos in cirrus fibres

    Last of the summer halo?

    Circumzenithal Arc, Sussex

    Venetian Pyramids

    Floridian Pyramids

    Europe's rare halo

    Two of the rarest halos

    Pillars & Crystals

    Elusive Parhelia

    Stone Ships & Halos

    Hole Punch Cloud & Halo

    Zenith Pointers

    Korea Halos

    Athens & Halos

    Pyramidal Crystal Plate Arcs

    Lake Reflections

    Rare Norway Display

    CHAs & Latitude

    Colorado Circumzenithall Arc

    Sign of Summer

    All in a Day

    California Halos

    Brazil Halos

    Odd & Even

    End faces

    Shetland Pyramids

    4 out of 5

    Snake Valley Halo

    Lunar Halo

    Pillars of Venus

    Lowitz Arcs over Portugal

    Pillars with Flares - Part 2

    Subhorizon Arcs, Odd and Even Reflections

    Extremely rare 44 degree parhelia (sundogs)

    Swedish Reflected Lowitz Arcs

    Pillars with Flares - Part 1

    Wendelstein Halo

   South Pole Midsummer

    Solstice Halos

    CZA Australia

    Boston Pillar

    Lunar Halos

    More New halos

    New Halo

    Mt Wendelstein Elliptical Halo

    Elliptical Halo

    Pennsylvania lights

    Lamp halos - Anthelic Sky

    Halos in a bottle

    Eye in the sky, Parry arc

    Summer Reminder - November '08

    Coloured 120° Parhelia

    White Parhelia

    Moonlight CZA

    Hole in the Sky

    46° Arcs

    Lunar CZA

    Antarctica

    Parry Arcs

    North Cascades Subsun,

    Brazil Arcs

    Arctic Halos

    Mountain Halos

    Winter Ice

    Desert Pillar

    Midwest Subsun

    Montana Pyramids

     Tales of subsun tails

    Summer Ice

    Sun and Antisun

    Halo pair

    Beneath the stars

    Polish Wegener Arcs

    Elusive Circle

     Tower Halo

    60 and 90 degree prisms in Antarctica

    22° or circumscribed halo?

    High Sun Halos

    Summer Arc

    New York Circumzenithal Arc ... May '08


    Halos ~ Colorado Rockies

    Lowitz Arc, Israel

    High Sun Halos, Israel

    Antisolar Arcs

    Halos & Ra

    Pyramid Crystal Halos

    Below Horizon Halos

    Circumzenithal Arc, Russia

    Easter Halos

    Winter Halos

    Arizona Moon Dogs ... March '08

    Sunset Pillar

    Diamond Dust Halos