Advanced Marksmanship shed some light on light

[Captain Moroni]

Ok I know that the direction and angle of the sunlight on a target can make it seem to appear to be in a slitely different location but how do you correct for it? Say if the sun is to the right of the target at 10:00 am do you hold right or left? Is there any way to calculate how much correction is needed?

I'll bet Lindy knows

 

[Greg Langelius *]

Re: shed some light on light

Light's up, sights up.

Bright light conditions tend to cause iron sight shooters to impact lower, as a function of improved contrast. They dial in additional elevation (a little) to compensate.

I can't say I've ever noticed any lateral effects from light angles, pretty much just vertical: but I also think that's because of the 6 o'clock hold I use.

I can't really say if this also applies with scope sights.

Greg

 

[264shooter]

Re: shed some light on light

This is great,
I had an experience with the effects of light just this morning.
I set up my steel hostage target with a 4" swinger at 300 yards.
Time was 7:40am shooting NNE, it was light but the sun had not peaked over the mountains. CB was right on the money and the next three shots you could cover with a quarter.
So, on to the next drill, paper good guy bad guy target at 200 yards. 2" square on the bad guy.
Time was 8 am and the sun was just up over the mountains and very bright, from about my 4 o'clock.
First shot, elevation good there was no wind and I hit 1.25" left outside the box.
Shots 2 and 3 were right next to the first one.
I have been noticing a trend that alot of CB shots are missed AWAY from the direction of the the sun.
Captain M remember in Vagas we were shooting south and the first shot was a 6" swinger at 400m. Sun from the low left, I missed right, and so did alot of others.
CB in Sac this weekend was was a 2" shoot n see at 165 yards. I did the same thing I missed it away from the sun.
I think I am going to start holding the edge of the target into the sun............
I would like to hear more about this topic also.

 

[kraigWY]

Re: shed some light on light

Yes Light up - sight up.

I found it works for me latertly also. Say you have a range facing south, its late and you have a setting sum. I crank about a minute into the sun. Of course, like wind, thats full value. You got to fudge a bit, SWAG of Guestimate.

Score (data) books if filled out propertly will give you an ideal.

Don't know if everyone has run into this or not.

 

[Captain Moroni]

Re: shed some light on light

hopefuly it will be sunny here this weekend I will head out on the desert (I avoid the range on weekends to many walmart rambos) with my data book and shoot with the sun comming from different angles I'll try and remember my camera and post what I find