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    Upper tangent arc    

 

The shape of tangent arcs depends on the position of the sun, which is why they have different appearances in these photos.

An upper tangent arc can be seen on top of the 22 degree halo, together with some other optical phenomena. (2014-04-05)

 

A V-shaped upper tangent arc decorating the sky. (2015-01-13)

 

A V-shaped upper tangent arc decorating the sky. (2015-01-13)

 

A small part of an upper tangent arc. (2015-04-03)

 

A V-shaped upper tangent arc can be seen in the middle of the picture. (2015-06-05)

 

[ normal || enhanced ] ⇛ An upper tangent arc, together with some other optical phenomena. (2016-06-15)

 

[ normal || enhanced ] ⇛ An upper tangent arc, together with some other optical phenomena. (2016-06-15)

 

A V-shaped upper tangent arc and its reflection. (2016-09-21)

 

A V-shaped Parry arc (the upper one) together with an upper tangent arc (the lower one). (2017-01-13)

 

A V-shaped Parry arc (the upper one) together with an upper tangent arc (the lower one). (2017-01-13)

 

An upper tangent arc with some other phenomena. (2019-01-21)

 

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