Atmospheric phenomena

This category contains images of atmospheric phenomena. Most of them where captured with sky surveillance cameras.

Click on the images to see a larger version with description.

Clouds

Unusual or spectacularly illuminated clouds.

NLCs on Jun 16, 2020 Noctilucent clouds on Jun 16, 2020 Sunset on Jan 31, 2020 Sunset on Jan 31, 2020 Sunset on Dec 17, 2019 Sunset on Dec 17, 2019 NLCs on Jun 21, 2019 Noctilucent clouds and blue phenomenon on Jun 21, 2019 NLCs on Jun 17, 2019 Noctilucent clouds on Jun 17, 2019 NLCs on Jun 13/14, 2019 Noctilucent clouds in the night from Jun 13 to 14, 2019 Sunset on Nov 23, 2017 Sunset on Nov 23, 2017 Iridescent lenticular clouds on Sep 27, 2017 Iridescent lenticular clouds on Sep 27, 2017 Sunrise on Nov 22, 2016 Sunrise on Nov 22, 2016 Sunrise on Nov 18, 2016 Sunrise on Nov 18, 2016

Halos

Halos are caused by reflection of sun light or moonlight on ice crystals. Depending on the shape of the ice crystals, their orientation and their rotation different types occur. If internal reflection occurs, light is also refracted and split into colors due to dispersion. These types of halos are colored.

Halos on Mar 30, 2018 Sun halos on Mar 30, 2018

Rainbows

Unusual rainbows.

Red rainbow on Jan 8, 2020 Red rainbow on Jan 8, 2020 Red rainbow on Nov 3, 2019 Red rainbow on Nov 3, 2019 Moonbow on Aug 11, 2017 Moonbow on Aug 11, 2017 Red rainbow on Jul 10, 2017 Red rainbow on Aug 11, 2017

For optimal viewing the monitor must be calibrated such that all shades of the gray scale are visible.

gray scale

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