When shooting to the far corner ( 134 yards ) i have 3 / 4 flags though not in a strait line from the shed to there, and they are often in opposite directions to each other, So this wind thing i have yet to figure out.
It is "easy" when you just have 1 flag that is alive, or two of them indicating the same.
But most often i see 180 degree opposite winds on 2 of the flags
Also my friend having made several berms of dirt, about 5 feet tall, well that do not make it more easy when you have one of those + a 20 foot container for the middle 1/3 of your slugs flight path.
Today wind was good, so finished off a open tin of 10 gr JSB KO mk3 slugs, and then a open tin of dead center pellets + a big dent in a open tin of JSB heavies.
but as i brought out the 13 grainers wind also died down, well then shooting 134 yards was a out right pleasure, even if still i did not put slug upon slug,,,,, but damn close.
I am amazed how good the silly small 10 grain slugs are at 134 yards,,,,, wayyyyyy better than any .177 pellet i have tried to shoot that far.