Supralateral Arc on December 26th, 2004
On the morning of December 26th, 2004 a halo display could be observed from Trier, comprising a circumzenithal arc, a complete supralateral arc (a rare sight at Trier), a good upper tangent arc, a 22° halo and faint parhelia. Canon Powershot G6, processed with Adobe Photoshop Elements.
From top to bottom: the wide supralateral arc touching the sickle of the circumzenithal arc, 22° halo with upper tangent arc.
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