Relation to the sun ?

[oldfarmsblueman]

I'm not sure but I think I'm begining to see
somthing I noticed on the 100 yd. gun range!
If I shot long enough I would see my groops
move durring the day slightly as the sun moved!
I think it affected how your eye related to the target!
Anyone ever notice this or am I starting to go nuts

[BT]

Shadows can cause you to shoot against or away from them.
Don't see why the sun wouldn't effect change in point of aim depending on where you were in relation to it's concentration.

[CopperHead]

On the target range we would use smut pots to blacken our sight to reduce the glare off the front sight post. Could be the same thing. You could be catching a glare off your pins causing you to aim slightly different. So I definitely do not think your nuts as there is a slight possibility that is what is happening.

[huntbunny6]

Do your safety or shooting glasses have tinted lenses?
If not, try that and see if it makes a difference