[AZ-Observing] Re: Fun with M1

Thanks Chris. It says you used both Maxim DL and AIP4WIN. Is that because you 
have favorite goto programs for certain functions? Is it necc to have many 
different or is there a good/best software program, like ImagesPlus or 
whatever for a do-all program?

Jack

----- Original Message ----- 
From: "Chris Schur" <comets133@xxxxxxxxx>
To: <az-observing@xxxxxxxxxxxxx>
Sent: Thursday, November 15, 2007 11:08 AM
Subject: [AZ-Observing] Re: Fun with M1


Paul, you may find this interesting:

http://www.schursastrophotography.com/ccdimagepages/m1polarized.html

Chris
--- L Knauth <Knauth@xxxxxxx> wrote:

> While out observing at Hovatter North Tuesday night,
> I observed M1 through clip-on polarized sun glasses
> that I would swing back and forth at 90 degrees.
> The Crab is emitting polarized light from
> synchrotron radiation, so parts of it blink at you
> when doing this trick.  I have shown this to people
> for years through my 12.5", but the polaroids eat up
> so much of the light that some couldn't see it very
> well.  Through my 25" Obsession, it is easy.  I
> think you could see it with a 10" at  dark sky site,
> especially if you cover yourself in a dark cloth to
> keep ambient light reflections off the polaroids.
> Try it sometime.
> The normally elongated blur becomes nearly circular
> through the polaroids (outer region light loss) and
> the brightest "blinking" occurs on one side
> perpendicular to the axis of elongation. I think it
> is the north side.  Too bad there is no rotating
> polaroid holder that would make this easier.
>
> Paul Knauth
>
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