Re: Orbital surveillance satellites now exceed 1 inch resolution?

From: Robert Clark (bobbygc2001@yahoo.com)
Date: Thu May 03 2007 - 23:09:24 EDT

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     Looks like you're the perfect person to attempt
    imaging of these orbital pieces of USA 144, John.
    
     Here are the orbital elements:
    
    Re: Satellite Database released.
    http://www.satobs.org/seesat/Dec-2005/0052.html
    
    
       Bob Clark
    
    
    --- John Locker <john@satcom.freeserve.co.uk> wrote:
    
    > This method is in regular use for planetary and deep
    > space imaging Allen , 
    > and has been for some time.
    > There are various bits of software that will do the
    > task of  picking out the 
    > best frames , which can then be stacked to form the
    > final image.
    > 
    > Its no problem with a target that just sits there
    > and doesnt move.......but 
    > if you can come up with a tracking programme that
    > will give me a zillion 
    > frames of a fast moving satellite....the aspect of
    > which is changing 
    > constantly , not to mention the shadow effect from
    > its solar 
    > panels.................and I'll buy it !
    > 
    > 
    > Phil and Mike ( list members) have perfected their
    > own software that will 
    > track birds accurately , but even that will only
    > give them a max of about 
    > 20-30 frames which can be stacked ... ie frames that
    > show the satellite in 
    > exactly the same attitude/shadow effect........sadly
    > , not a zillion frames 
    > :O)
    > 
    > When tracking say ISS by hand...I usually get about
    > 100 useable frames over 
    > a two minute period from 2-3000 frames , of which I
    > dump about half , then 
    > single out the final few to make up an animation. As
    > you can see from the 
    > strip
    >
    http://mysite.wanadoo-members.co.uk/satcom_transits/stationstrip.jpg
    >  the 
    > view of the station is constantly changing.
    > throughout the pass.
    > 
    > We are drifting a bit OT here , but in closing , I
    > would suggest the best 
    > way to appreciate the problems relating to satellite
    > imaging is to give it a 
    > go !
    > Wasn't it Mr Chien who labelled it an "Extreme Sport
    > " ?  :O)
    > 
    > John
    > 
    > 
    > 
    > 
    > ----- Original Message ----- 
    > From: "Allen Thomson" <thomsona@flash.net>
    > To: <SeeSat-L@satobs.org>
    > Sent: Thursday, May 03, 2007 10:03 PM
    > Subject: Re: Orbital surveillance satellites now
    > exceed 1 inch resolution?
    > 
    > 
    > >
    > > --- John Locker <john@satcom.freeserve.co.uk>
    > wrote:
    > >
    > >>> If only it was that simple  !!!!   :O)
    > >
    > > I take it you've tried looking at a zillion frames
    > and encountered
    > > problems with getting good ones and combining them
    > into a better image.
    > > What goes wrong?
    > >
    > >
    > 
    
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