(meteorobs) Optimized filters for daytime fireball video capture?

[Thomas Dorman]

Thomas
My idea was to cut a narrow strip of material and place it where it covers the daily track of the sun.Have it where it can be moved up or down to cover the changing position of the sun over the year. My guess is you would only have to move the strip about once a week to keep the sun blocked.
Just an idea.
Thomas
--- On Mon, 5/25/09, Thomas Ashcraft <ashcraft at heliotown.com> wrote:

> From: Thomas Ashcraft <ashcraft at heliotown.com>
> Subject: Re: (meteorobs) Optimized filters for daytime fireball video capture?
> To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
> Date: Monday, May 25, 2009, 3:22 PM
> Hi Ed and all,
> 
> 
> I wonder if it is possible to isolate the specific
> spectrographic 
> wavelength for burning ( or ionizing?)  nickel-iron?
> 
> Thomas
> 
>  
> 
> Ed Majden wrote:
> > Hi Thomas:
> >     I'm not sure if filters would be
> that effective.  A meteor spectrum  
> > produces emissions from around 340.0 nm (Violet) to
> around 900.0 nm  
> > ( near ir red end).  Selecting a narrow region at
> the red end will  
> > reduce the output of total radiation produced by a
> fireball.  If you  
> > go to my web site located at: http://members.shaw.ca/epmajden/ 
> > index.htm and look at a spectrum signature you will
> see what I mean.   
> > You need to reduce the intensity of the Sun
> first.  I have read  
> > somewhere that a driven occulting disk that blocks out
> the Sun and  
> > tracks it across the sky could be used but this would
> be complicated  
> > to do I would think.  A red filter could be used
> in conjunction  with  
> > this occulting disk to reduce light scatter. 
> During daylight you may  
> > see a dust trail but this is in the visible region so
> a filter may  
> > not be effective..  I wonder if one of our
> professional meteor types  
> > could comment on this.
> > Ed Majden - EMO meteor spectroscopy
> > Courtenay, B.C.
> > Canada
> >
> > On 25-May-09, at 8:13 AM, Thomas Ashcraft wrote:
> >   
> >
> >   
> 
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