Here is an update on my initial post. I reprocessed my animation to get a better alignment. I cropped the original frames, applied some sharpening and removed 4 bad frames. I then aligned them and added some colour and used GIMP to make an animated Gif file.
Thank you all for your encouragement.
Martin
https://live.staticflickr.com/65535/...840fa71c_o.gifAR2824c by
Martin Symonds, on Flickr