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#atmosphericoptics

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Benjamin Knispel<p>That was a really bright rainbow just before sunset when a heavy shower passed over Wedemark.</p><p><a href="https://chaos.social/tags/Rainbow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rainbow</span></a> <a href="https://chaos.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Hannover</span></a> <a href="https://chaos.social/tags/Wedemark" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Wedemark</span></a> <a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Sunset" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Sunset</span></a> <a href="https://chaos.social/tags/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://chaos.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a></p>
Mary McIntyre Astronomy<p>Two different sets of <a href="https://astrodon.social/tags/IridescentVapourTrails" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IridescentVapourTrails</span></a> captured from Oxfordshire, UK 15 June '25 The colours are created when sunlight is diffracted by tiny water droplets that condense out over the aircraft wings. Canon 1100D + 300mm zoom lens <a href="https://astrodon.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://astrodon.social/tags/Aviation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Aviation</span></a> <a href="https://astrodon.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a></p>
Mary McIntyre Astronomy<p>As the almost <a href="https://astrodon.social/tags/FullMoon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FullMoon</span></a> rose on 11th June 2025, it created the tallest <a href="https://astrodon.social/tags/MoonPillar" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MoonPillar</span></a> I've ever seen, extending about 30 degrees up! Photographed from North Oxfordshire with a Canon 1100D + Sigma 300mm lens <a href="https://astrodon.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a></p>
Tim ☑️ 🔭🌃📷🚴🌳<p>Suburban Rainbow</p><p><a href="https://mastodon.online/tags/strathearn" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>strathearn</span></a> <a href="https://mastodon.online/tags/photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>photography</span></a> <a href="https://mastodon.online/tags/scotland" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>scotland</span></a> <a href="https://mastodon.online/tags/rainbow" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rainbow</span></a> <a href="https://mastodon.online/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://mastodon.online/tags/drone" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>drone</span></a></p>
Benjamin Knispel<p>One additional image of the rising Moon with a pine pollen corona. It was quite easy to see with the unaided eye.</p><p>This was taken on May&nbsp;12 at 22:26&nbsp;CEST north of Hanover, Germany.</p><p>3.2&nbsp;seconds exposed at f/6.3, ISO&nbsp;640 and f=200&nbsp;mm.</p><p><a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a> <a href="https://chaos.social/tags/Light" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Light</span></a> <a href="https://chaos.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a> <a href="https://chaos.social/tags/Physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physics</span></a> <a href="https://chaos.social/tags/Pollen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pollen</span></a> <a href="https://chaos.social/tags/Moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Moon</span></a></p>
Peter Gutsche<p>Did you know that you can observe fascinating <a href="https://sueden.social/tags/mirages" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mirages</span></a> in the Black Forest? In my latest blog post, I explore this phenomenon of <a href="https://sueden.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> and share my personal observations from the coast of the English Channel and the mountains of the Black Forest.</p><p><a href="https://www.silberspur.de/blogs/read/108" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">silberspur.de/blogs/read/108</span><span class="invisible"></span></a></p><p><a href="https://sueden.social/tags/NaturePhenomena" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NaturePhenomena</span></a> <a href="https://sueden.social/tags/EnglishChannel" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>EnglishChannel</span></a> <a href="https://sueden.social/tags/BlackForest" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>BlackForest</span></a> <a href="https://sueden.social/tags/ScienceBlog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ScienceBlog</span></a> <a href="https://sueden.social/tags/NaturePhotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NaturePhotography</span></a> <a href="https://sueden.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a> <a href="https://sueden.social/tags/FataMorgana" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>FataMorgana</span></a> <a href="https://sueden.social/tags/Physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physics</span></a> <a href="https://sueden.social/tags/meteorology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>meteorology</span></a> <a href="https://sueden.social/tags/Schwarzwald" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Schwarzwald</span></a> <a href="https://sueden.social/tags/Fotografie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Fotografie</span></a> <a href="https://sueden.social/tags/NaturFotografie" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>NaturFotografie</span></a> <a href="https://sueden.social/tags/Luftspiegelungen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Luftspiegelungen</span></a></p>
Benjamin Knispel<p>Tree sex makes colored rings in the sky – Yesterday, I observed pollen coronas around the sun and the moon.</p><p>These colorful rings appear around the sun / the moon when airborne pollen diffracts the light (=deflects it depending on its color).</p><p>Different pollen types make different coronas. Here, it is likely pine pollen.</p><p>pic&nbsp;1 at 14:08&nbsp;CEST, f=200&nbsp;mm, sun covered by street lamp.</p><p>pic&nbsp;2 at 22:27&nbsp;CEST, f=200&nbsp;mm, moon overexposed</p><p><a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a> <a href="https://chaos.social/tags/Light" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Light</span></a> <a href="https://chaos.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a> <a href="https://chaos.social/tags/Physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physics</span></a></p>
Benjamin Knispel<p>If you expose the image more (here the same conditions as before, but t=1.3&nbsp;seconds), you can see the typical multiple diffraction rings.</p><p><a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a> <a href="https://chaos.social/tags/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://chaos.social/tags/Light" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Light</span></a> <a href="https://chaos.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a> <a href="https://chaos.social/tags/Moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Moon</span></a></p>
Benjamin Knispel<p>Very nice pollen based atmospheric optics.</p><p>Last night I observed a pollen corona around the bright moon. These colored rings around the moon are created when its light is refracted by airborne pollen.</p><p>Depending on the type of pollen, different ring shapes and sizes appear. This one is probably from pine pollen.</p><p>Image: 22:53&nbsp;CEST | f=300 mm | aperture&nbsp;5.6 | ISO&nbsp;1250 | 0.5&nbsp;s</p><p><a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Photography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Photography</span></a> <a href="https://chaos.social/tags/Nature" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Nature</span></a> <a href="https://chaos.social/tags/Light" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Light</span></a> <a href="https://chaos.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a> <a href="https://chaos.social/tags/Moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Moon</span></a></p>
Benjamin Knispel<p>Halo activity has been on and off half of the day – now with both parhelia / left and right sundog.</p><p><a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/halo" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>halo</span></a> <a href="https://chaos.social/tags/sundog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sundog</span></a></p>
Benjamin Knispel<p>Venus, the crescent moon and Mercury were accompanied by a beautiful purple light (<a href="https://en.wikipedia.org/wiki/Afterglow" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.wikipedia.org/wiki/Afterglo</span><span class="invisible">w</span></a>) at dusk today.</p><p>The purple light disappeared relatively quickly as the sun sanke deeper below the horizon. There are just 6&nbsp;minutes between the two pictures.</p><p><a href="https://chaos.social/tags/PurpleLight" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PurpleLight</span></a> <a href="https://chaos.social/tags/Moon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Moon</span></a> <a href="https://chaos.social/tags/Venus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Venus</span></a> <a href="https://chaos.social/tags/Mercury" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mercury</span></a> <a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astrophotography</span></a> <a href="https://chaos.social/tags/astronomy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>astronomy</span></a></p>
Benjamin Knispel<p>Today, an hour before sunrise, I noticed a bright, unusually structured cloud in the eastern morning sky (location: north of Hannover, Germany). I took photos between 6:40&nbsp;CET (solar elevation -8°) and 6:55&nbsp;CET (solar elevation -5.8°) while the cloud was slowly fading.</p><p>Apparently there was a rocket reentry last night, which was seen and filmed over Germany. Perhaps the cloud is its remnant?</p><p><a href="https://chaos.social/tags/Rocket" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Rocket</span></a> <a href="https://chaos.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://chaos.social/tags/Astrophotography" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Astrophotography</span></a> <a href="https://chaos.social/tags/ReEntry" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ReEntry</span></a> <a href="https://chaos.social/tags/Germany" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Germany</span></a> <a href="https://chaos.social/tags/Hannover" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Hannover</span></a></p>
Mary McIntyre Astronomy<p>2 years ago today, 16th Feb '23 I photographed <a href="https://astrodon.social/tags/LightPillars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LightPillars</span></a> from <a href="https://astrodon.social/tags/Oxfordshire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Oxfordshire</span></a> UK. We don't see them very often here so this was a rare treat! They form when ice crystals sink lower in the atmosphere &amp; reflect exposed lights into these light pillars <a href="https://astrodon.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a></p>
Mary McIntyre Astronomy<p><a href="https://astrodon.social/tags/Coronas" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Coronas</span></a> are commonly seen around the Sun &amp; Moon but they can also form around bright planets &amp; stars. On 30th Jan '25 I photographed this beautiful <a href="https://astrodon.social/tags/Venus" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Venus</span></a> <a href="https://astrodon.social/tags/corona" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>corona</span></a>. They form when light from the Sun or Moon is diffracted by water droplets in cloud. Canon 1100D 10-18mm &amp; 300mm lenses, Oxfordshire, UK <a href="https://astrodon.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://astrodon.social/tags/OpticalEffects" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OpticalEffects</span></a> <a href="https://astrodon.social/tags/Diffraction" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Diffraction</span></a></p>
Mary McIntyre Astronomy<p>On Thur 28th Nov '24 I captured <a href="https://astrodon.social/tags/IridescentVapourTrails" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IridescentVapourTrails</span></a> from a <a href="https://astrodon.social/tags/Lufthansa" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Lufthansa</span></a> <a href="https://astrodon.social/tags/Boeing747" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Boeing747</span></a> flight <a href="https://astrodon.social/tags/LH462" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LH462</span></a> reg D-ABYK going from Frankfurt to Miami, at 32,000ft. Taken from <a href="https://astrodon.social/tags/Oxfordshire" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Oxfordshire</span></a>, UK with a Canon 1100D + 300mm lens <a href="https://astrodon.social/tags/AtmosphericOptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>AtmosphericOptics</span></a> <a href="https://astrodon.social/tags/Aviation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Aviation</span></a> <a href="https://astrodon.social/tags/Aircraft" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Aircraft</span></a></p>
Lee Petersen<p>Atmospheric Optics Photo #6: Paraselene. This was a cool night to watch the aurora since there were also plenty of ice crystals in the air to create the atmospheric optical effects of the moon dog (paraselene) and 22-degree halo. There's a bit of a partial paraselenic circle as well (moon equivalent of a parhelic circle).</p><p><a href="https://alaskan.social/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://alaskan.social/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Alaska</span></a> <a href="https://alaskan.social/tags/auroraborealis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>auroraborealis</span></a></p>
Lee Petersen<p>Atmospheric Optics Photo #5: Parhelion. A bright parhelion (plural parhelia) is sometimes called a mock sun or sun dog. It's another atmospheric optic effect from the refraction of ice crystals appearing on one or both sides of the Sun at or near the 22° halo.</p><p><a href="https://alaskan.social/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://alaskan.social/tags/parhelion" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>parhelion</span></a> <a href="https://alaskan.social/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Alaska</span></a></p>
Lee Petersen<p>Atmospheric Optics Photo #4: Display over the Black Rapids Glacier. Ice halos with sundogs (parhelia), upper tangent ark, parhelic circle (extending horizontally through the sundogs), and a bit of an infralateral arc at the lower left of the image. This was the best display I've ever seen!</p><p>More in my atoptics gallery: <a href="https://photos.lwpetersen.com/Galleries/Atmospheric-Optics/Atoptics" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">photos.lwpetersen.com/Gallerie</span><span class="invisible">s/Atmospheric-Optics/Atoptics</span></a></p><p><a href="https://alaskan.social/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://alaskan.social/tags/halos" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>halos</span></a> <a href="https://alaskan.social/tags/glacier" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>glacier</span></a> <a href="https://alaskan.social/tags/Alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Alaska</span></a></p>
Lee Petersen<p>Atmospheric Optics Photo #3: Light Pillars. Light pillars form when the light from artificial light sources reflects off plate-like ice crystals in the air between the light source and the observer.</p><p>More info and photos on my website here: <a href="https://www.lwpetersen.com/atmospheric-optics/light-pillars/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">lwpetersen.com/atmospheric-opt</span><span class="invisible">ics/light-pillars/</span></a></p><p><a href="https://alaskan.social/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://alaskan.social/tags/lightpillars" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lightpillars</span></a> <a href="https://alaskan.social/tags/alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>alaska</span></a></p>
Lee Petersen<p>Atmospheric Optics Photo #2: Lunar Halo. The aurora weaves across the sky, seemingly through a 22-degree halo around a near-full moon. These halos are caused by refracting light from the Moon (or Sun) through hexagonal ice crystals in the atmosphere.</p><p><a href="https://alaskan.social/tags/atmosphericoptics" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>atmosphericoptics</span></a> <a href="https://alaskan.social/tags/alaska" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>alaska</span></a> <a href="https://alaskan.social/tags/auroraborealis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>auroraborealis</span></a></p>