[Laser] Frame capture from F1AVY video with integration to improveSNR

[laser]

Just another test to see if a photo can be posted using this method:

[IMG]http://i54.tinypic.com/2dlq1wi.jpg[/IMG]

----- Original Message ----- 
From: "laser" <laser at codeadam.com>
To: "Free Space LASER Communications" <laser at mailman.qth.net>
Sent: Thursday, September 30, 2010 2:52 PM
Subject: [Laser] Frame capture from F1AVY video with integration to 
improveSNR


>I never tried posting a photo to this forum so I don't know if that's
> possible but here goes:
>
> Top is a single frame grab from the F1AVY video.
>
> Bottom is all 87 frames integrated and averaged using AstroVideo a program
> used to pull star images up out of the noise when captured with CCD 
> cameras.
>
> Just in case it can't be viewed here I also posted it here:
> http://i54.tinypic.com/2dlq1wi.jpg
>
> =====
>
> ----- Original Message ----- 
> Sent: Thursday, September 30, 2010 1:02 PM
> Subject: [Laser] Re : IR camera aiming, was Re : 5mw laser transceiver kit
>
>> A tracking IR camera is a very good project.
>> Even ultra lowcost small IR CMOS video cameras are able to bring a very
>> high IR sensitivity with only a few changes.
>>
>> If we replace the native very small objective by a large one retrieved
>> from a surpluscamera, the input focusing surface is multiplied by 
>> hundreds
>> and thesensitivity becomes enormous.
>> You will find a small example below with the snowy top of Mont Blanc (ASL
>> 4807 m) seen to 170 km bymoonlight with a 700 to 900 nm IR filter (60 mm
>> in diameter objective).
>>
>> http://sd-1.archive-host.com/membres/videos/22679775843705539/MB_aiming.avi
>>
>> 73 Yves F1AVY
>


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