Predictable sprites location - changing lens to have a closer look

A tight group of sprites seen near bottom
wide angle 3.8mm - i knew it is going to repeat soon..

Yes it did... this is 25mm f0.95 avenir lens

and still in 75 mm f1.4 FOV -

note the group on the left and the single 'fork' like on the right

Now watch the video posted to youtube