On 09/07/2018 20:04, Savageduck wrote:
[] Check this shot and a 100% crop of the top of the sail.

https://photos.smugmug.com/photos/i-f5k8TQh/0/9ebe2259/O/i-f5k8TQh.jpg

https://photos.smugmug.com/photos/i-xJ9w5gP/0/a2225efd/O/i-xJ9w5gP.jpg

BTW: that was 270mm, ISO 400, 1/3500 @ f/5.0.

Looking at the top edge of the black bar at the top, I have the
impression of blue at the top of the bar, and yellow at the bottom.
Possibly a little CA, but nothing to be concerned about.

--
Cheers,
David
Web: http://www.satsignal.eu