(meteorobs) video capture system compared to straight video

[Larry]

Sentinel records the entire sky during the event after any trigger..

YCSentinel


----- Original Message ----- 
From: "Chris Peterson" <clp at alumni.caltech.edu>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: 2009/06/19 07:51
Subject: Re: (meteorobs) video capture system compared to straight video


> I'd say that's a limitation of _some_ capture systems, including Sentinel.
> Computers are fast enough these days, and disk storage large enough, that
> there is no requirement to limit the captured area to a box around the
> target. I have seen (and used) software that captures events but records 
> the
> entire sky.
>
> Chris
>
> *****************************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
>
> ----- Original Message ----- 
> From: "Thomas Ashcraft" <ashcraft at heliotown.com>
> To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
> Sent: Friday, June 19, 2009 8:40 AM
> Subject: (meteorobs) video capture system compared to straight video
>
>
>>
>>
>> I made a comparison movie of the June 19, 2009 0725 UT fireball as it
>> was captured in my split video system.  I made this movie to point out a
>> limitation of capture box style systems.
>>
>> In my observatory I have one all-sky video camera that feeds into a
>> video distribution amplifier and splits the video signal to send into a
>> Sentinel capture box system and a second feed streams into a Canopus
>> ADVC110 ( analog to digital video converter) and then via firewire into
>> an iMac running iMovie 6 software which records straight video ( and
>> sound) at 30 frames per second.
>>
>> This particular fireball it created a mid-path burst that illuminated a
>> large portion of the sky. The capture box did not record beyond its
>> capture parameters but the straight video shows the full sky
>> illumination.  Note that I added stills in the movie of the full flash.
>> The false color movie portion is the capture system and the black and
>> white movie that follows is the straight video.
>>
>> I posted the comparison movie here in two different formats:
>>
>> .mp4 format : 
>> http://www.heliotown.com/FB20090619_0725ut_Ashcraft50.mp4
>> divx format  :   http://www.heliotown.com/FB20090619_0725ut_Ashcraft.divx
>>
>> Thomas Ashcraft
>
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