Re: [APML] Machholz Mosaic

["Chris Cook" <ccook@cape.com>]

Hi John -

Thanks!
Looks like the weather out your way is starting to get back to normal. :-)

Chris

-----------------------------
Chris Cook Photography
www.cookphoto.com


----- Original Message ----- 
From: "John Laborde" <jlaborde@ix.netcom.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Tuesday, March 01, 2005 7:07 AM
Subject: Re: [APML] Machholz Mosaic


> Hi Chris,
>
> I haven't read this group in a few days so this is a little late.
>
> Nice shot! The guiding on the comet really paid off in tail detail. Good
> work.
>
> John Laborde
>
> Chris Cook wrote:
>
> >Hi everyone,
> >
> >Nights of good imaging have been few and far between since winter set in
> >around here.  However, I did get two halfway decent nights around the
first
> >of the month.  I imaged Machholz with the FS102 and 400F.  I used the
ST-4
> >to guide on the nucleus but boy it was a real pain in the butt!  Probably
> >the toughest comet I've ever had to guide on.  There was a faint star
right
> >next to the nuc which the ST-4 kept wanting to lock onto.  I ended up
> >defocusing the guidescope slightly so the faint star would fade out yet
the
> >comet's nuc was still bright enough to guide on.  It seemed to work since
> >the guiding definitely improved after that.
> >
> >So, here's a two frame mosaic showing the comet's position on the evening
of
> >the 5th and the next evening the 6th.  I had a tough time trying to get
the
> >two images to match since transparency was not as good on the 6th with
some
> >very thin haze around... also there was more moisture in the air.  Let me
> >know what you think.  Also, note how the ion tail changed over a 24hr
> >period.
> >
> >Mosaic:
> >http://www.abmedia.com/astro/current/machholz-mosaic.html
> >
> >Here's a shot of just the comet on the 5th:
> >http://www.abmedia.com/astro/current/machholz-020505.html
> >
> >Comments always welcome!  Enjoy the view.
> >
> >Chris
> >
> >-----------------------------
> >Chris Cook Photography
> >www.cookphoto.com
> >
> >
> >
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> >
> >
> >
>
>
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