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Optical inversion mirage phenomenon (Read 12252 times)

Sendaro Oldtimer Offline When the sight is on SEND IT! Posts: 588 Location: Saratoga Springs NY Joined: Nov 21^st, 2010	Re: Optical inversion phenomenon Reply #15 - Dec 17^th, 2014 at 10:30am	Print Post
	Westerner, We have the same problem at our shooting house in cold weather. The warm air inside is meeting the cold air from outside. We just call it mirage. One way that we have been able to just about total do away with it is to hang a thick curtain in the shooting port and have a very small flap the rifle and scope peek through. This usually does the trick. We do this while shooting from the bench rest, not off hand. It works. Sendaro


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QuestionableMaynard8130 Frequent Elocutionist Offline Posts: 4144 Location: Benton Harbor MI Joined: Apr 17^th, 2004	Re: Optical inversion phenomenon Reply #16 - Dec 17^th, 2014 at 11:09am	Print Post
	I hadn't thought of the mirage aspect. I was wondering about the effect of the wind pushing on the body of the rifleman and even the rifle itself while shooting offhand outdoors vrs. shooting from indoors through a port. I'm too sadly familiar with the former condition but have never shot from a "house". I'm wondering if someone who does both notices a difference in the scores, or would the cold-weather "window mirage" candle out any advantage in shooter stability?

	sacred cows make the best burger
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ron Oldtimer Offline Posts: 579 Location: Augusta Maine Joined: Nov 15^th, 2009	Re: Optical inversion phenomenon Reply #17 - Dec 17^th, 2014 at 11:20am	Print Post
	Now that is what this sport is all about. Shoot a little, them talk about the shot. No rush, we are retired and enjoying what we do. ron


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Sendaro Oldtimer Offline When the sight is on SEND IT! Posts: 588 Location: Saratoga Springs NY Joined: Nov 21^st, 2010	Re: Optical inversion phenomenon Reply #18 - Dec 17^th, 2014 at 11:35am	Print Post
	Bottom line in accurate rifle shooting is "If you can't see it right you can't hit it." In the case of mirage some times we can learn to read it. Then there is STATIC MIRAGE. That's the toughest of all I believe. Sendaro


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bpjack Frequent Elocutionist Offline Posts: 4089 Location: East Olympia, WA Joined: May 18^th, 2008	Re: Optical inversion mirage phenomenon Reply #19 - Dec 17^th, 2014 at 10:01pm	Print Post
	Hey Joe, Who won the King target at the Montana match? Jack

	People who think they know everything are a great annoyance to those of us who do.
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bnice Frequent Elocutionist Offline Posts: 1999 Location: Iowa Joined: Nov 30^th, 2006	Re: Optical inversion mirage phenomenon Reply #20 - Dec 17^th, 2014 at 10:23pm	Print Post
	we shot both from a shooting house as well as a regular covered firing line at Davenport. The house does help keep you from feeling like a sail.


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westerner Frequent Elocutionist Online deleted posts and threads record holder. Posts: 12614 Location: Why, out West of course Joined: May 29^th, 2006	Re: Optical inversion mirage phenomenon Reply #21 - Dec 17^th, 2014 at 11:47pm	Print Post
	bpjack wrote on Dec 17^th, 2014 at 10:01pm: Hey Joe, Who won the King target at the Montana match? Jack #21!

	A blind squirrel runs into a tree every once in a while.
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westerner Frequent Elocutionist Online deleted posts and threads record holder. Posts: 12614 Location: Why, out West of course Joined: May 29^th, 2006	Re: Optical inversion mirage phenomenon Reply #22 - Dec 17^th, 2014 at 11:50pm	Print Post
	Brave target setters. Joe.

	A blind squirrel runs into a tree every once in a while.
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frnkeore Frequent Elocutionist Online Posts: 7769 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: Optical inversion mirage phenomenon Reply #23 - Dec 18^th, 2014 at 12:00am	Print Post
	Ok, I guess i've got to ask............... who is #21? Frank

	ASSRA Member #696, ISSA Member #339
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westerner Frequent Elocutionist Online deleted posts and threads record holder. Posts: 12614 Location: Why, out West of course Joined: May 29^th, 2006	Re: Optical inversion mirage phenomenon Reply #24 - Dec 18^th, 2014 at 12:03am	Print Post
	Some of the shooters had to contend with snow obscuring the targets. Poor Biggi. Joe.

	A blind squirrel runs into a tree every once in a while.
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bpjack Frequent Elocutionist Offline Posts: 4089 Location: East Olympia, WA Joined: May 18^th, 2008	Re: Optical inversion mirage phenomenon Reply #25 - Dec 18^th, 2014 at 9:54am	Print Post
	Frank, #21 is our own Joe! Good shooting Joe. Jack

	People who think they know everything are a great annoyance to those of us who do.
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Schuetzendave Frequent Elocutionist Offline Retired Ex-Shooter Posts: 4265 Location: St. Albert, Alberta Joined: Jan 28^th, 2005	Re: Optical inversion mirage phenomenon Reply #26 - Dec 18^th, 2014 at 10:00am	Print Post
	Optical inversion? Heat waves drifting through the window creates more extensive mirage as the outside temperature gets colder. The competitive Alberta shooters turn the heat off to shoot and eliminate the mirage. They always shoot better scores with the heat off than the shooters who like to warm their dispositions. The "Cold" shooters have a battery warmer to thaw out their shooting finger between shots.


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Schuetzendave Frequent Elocutionist Offline Retired Ex-Shooter Posts: 4265 Location: St. Albert, Alberta Joined: Jan 28^th, 2005	Re: Optical inversion mirage phenomenon Reply #27 - Dec 18^th, 2014 at 12:21pm	Print Post
	Biggi: Do you have winter shoots in Germany? Or is Joe leading you astray? More snow up here in Alberta. Caught 40 Rainbow Trout ice fishing so far this winter. Next year you should come to the Alberta Schuetzen Guild shoot on the second Sunday of December. It is OK to bring Joe. Dave


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frnkeore Frequent Elocutionist Online Posts: 7769 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: Optical inversion mirage phenomenon Reply #28 - Dec 18^th, 2014 at 12:49pm	Print Post
	Congrats, Joe Frank

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FITZ Oldtimer Offline REGARDS Posts: 917 Location: MASSACHUSETTS Joined: Apr 16^th, 2004	Re: Optical inversion mirage phenomenon Reply #29 - Dec 18^th, 2014 at 5:15pm	Print Post
	We do at times have Mirage issues. Mostly when the stove is being pushed and have lots of heat inside. However I can honestly say that when I have a real good solid let off and call for the most part I get my call. Most really experienced shooters know when they have fired a poor shot even if it kind of looked good, Usually overheld and you keep waiting for it to slow down. Usually some bitching about those. BUT! when I call a poor shot and by some stroke of luck it comes up an X you never hear me complain. I have been shooting this particular match for nearly 50 + years and I still on occasion find myself holding to long, and I know when I am doing it. Just so hard to put it down and start over again. Standard comment is "Better Lucky Sometimes" HTH Regards, FITZ.

	FITZ
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