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[ATM] Quirky idea




I have no idea what an interferometer (sp?) is.

My idea was since quickcams are not so expensive was
to build a simple array increasing eyepiece aperature
and increasing sensitivity to light. 

Thanks!
-Rob
 



--- Mark Graybill <saundby@foothill.net> wrote:
> So what you're suggesting is that you want to build
> an optical interferometer 
> out of Quickcams?
> 
> To make interferometry a bit easier on yourself you
> may want to start at radio 
> frequncies with some old big dish TV antennas. Once
> you've cut your teeth on 
> interferometry with that, you'll see the practical
> issues with doing 
> interferometry at optical wavelength, I expect.
> 
> -Mark G.
> 
> 
> On Tuesday 03 February 2004 08:24 pm, Grey Coyote
> wrote:
> > Dal, Dale, Dale....
> >
> > Put on your dream cap dude. Fire up the
> imagination
> > and consider the possibilities...
> >
> > A single ccd chip is several times more sensitive
> than
> > the human eye. The trick is getting an array of
> them
> > to work together as one unit in a refractor, not a
> > reflector...... I'm thinking a reflector would not
> > work as well. Magnification is still focal length
> /
> > aperature. I'm thinking the reflected light would
> > cause issues with an array of chips. Not sure why
> yet.
> >
> >
> > Now take that sensitivity and multiply it by 2, or
> 4
> > or 8. What level of magnitude would be visible
> under
> > such circumstances? I'm thinking 13 to 15 easy.
> here
> > in the city the best I can do is around 9 usually
> > 7ish.
> >
> > I know there's observatories that do this already.
> I'm
> > just curious as to whether or not someone has
> > attempted this at the amateur level. I'm really
> not
> > wanting to reinvent the wheel.
> >
> > If you think this won't work, come up with a solid
> > reason why not.
> >
> > Dream on
> > -R
> >
> > --- Dale Eason <atmpob@yahoo.com> wrote:
> > > Here is something that is a lot cheaper than a
> bunch
> > > of CCD chips and will work just at well.
> > >
> > > Try putting several sheets of white paper in an
> > > array
> > > side by side down on the ground at night. 
> Report
> > > back
> > > to us on the results.
> > >
> > >
> > > Dale Eason
> >
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