Unfortunately I had to miss the last NLC due to heavy clouds. But it worked out last night.

NLCs over the tidal Elbe

 

At midnight it finally got dark enough for the NLCs to be clearly visible.

NLCs over the tidal Elbe

 

The display was not as bright, so I was not able to image such high-contrast structures as last year.

NLC Structures

 

Here is a short animation of the structure shown above (click on the image to open the animation)…

NLC structures animated PNG