Source Images

Those images were taken on May 7 in the Olympiapark, Munich (exactly N48° 10' 12.66", E11° 33' 6.60"), from 17:41 until 17:52.

Panoramas

ICE Panorama

Autostitch Panorama

Hugin Panorama

Due to advance of time and unsuccessful attempts to use Hugin, I did not use the program.

Polar Coordinates Distort Filter and Post-processing

ICE Panorama after the distortion

The panorama image was loaded in Photoshop, canvas was 180 degrees rotated and the filter Distort -> Polar Coordinates was applied, resulting on the following image:

After adjusting the scale:

After rotating:

After filling the middle black hole using the Clone Stamp Tool and extending the sky to cover the black area using the Smudge Tool:

Autostitch Panorama after the distortion

The panorama image was loaded in Photoshop, canvas was 180 degrees rotated and the filter Distort -> Polar Coordinates was applied, resulting on the following image:

After adjusting the scale:

After rotating:

After filling the middle black hole using the Clone Stamp Tool and extending the sky to cover the black area using the Smudge Tool: