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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.

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

 

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

 

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

 

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

 

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

 

2016-06-15 - An upper tangent arc, together with some other optical phenomena normal || enhanced || enhanced & assigned.

 

2016-06-15 - An upper tangent arc, together with some other optical phenomena normal || enhanced || enhanced & assigned.

 

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

 

2017-01-13 - A V-shaped upper tangent arc together with a Parry arc normal || assigned.

 

2017-01-13 - A V-shaped upper tangent arc together with a Parry arc normal || assigned.