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Long Range Hunting & Shooting
Mirage; Reading and Compensation
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<blockquote data-quote="Laguna Freak" data-source="post: 2450669" data-attributes="member: 87188"><p>I went out to play at 300 yd in the wind again today. Lucky me, the Weather Liar was wrong again and I got moderate mirage too. Welcome to S TX. </p><p></p><p>Wind was 15 to 20 and generally from about 1:00 with occasional shift to 11:00 and one brief lull period with cloud cover that killed the mirage entirely and allowed PoI to align with PoA. I chose PoA on a prevailing conditions wild guess and stuck with it to learn how wind driven mirage moves the target image as viewed through the scope. On the target, the top right impact is the brief lull with cloud cover = no mirage. The 4 bottom left impacts are the prevailing wind + mirage. The bottom right impact is a wind switch to ~ 11:30 + mirage. This target provides visual representation of why I now choose to practice with known performance loads in such conditions. As the Benchrest shooters know, if you don't learn the effect of wind driven mirage when the cost is low, you darn sure won't know it when it matters most and the cost has become exponentially higher. </p><p>[ATTACH=full]343099[/ATTACH]</p></blockquote><p></p>
[QUOTE="Laguna Freak, post: 2450669, member: 87188"] I went out to play at 300 yd in the wind again today. Lucky me, the Weather Liar was wrong again and I got moderate mirage too. Welcome to S TX. Wind was 15 to 20 and generally from about 1:00 with occasional shift to 11:00 and one brief lull period with cloud cover that killed the mirage entirely and allowed PoI to align with PoA. I chose PoA on a prevailing conditions wild guess and stuck with it to learn how wind driven mirage moves the target image as viewed through the scope. On the target, the top right impact is the brief lull with cloud cover = no mirage. The 4 bottom left impacts are the prevailing wind + mirage. The bottom right impact is a wind switch to ~ 11:30 + mirage. This target provides visual representation of why I now choose to practice with known performance loads in such conditions. As the Benchrest shooters know, if you don’t learn the effect of wind driven mirage when the cost is low, you darn sure won’t know it when it matters most and the cost has become exponentially higher. [ATTACH type="full" alt="BEB51D99-B267-4935-9723-BD4E6C405CE3.jpeg"]343099[/ATTACH] [/QUOTE]
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Mirage; Reading and Compensation
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