Re: [APML] LX 90 for Astrophotography ?

["Simon" <compulsion@btinternet.com>]

Thanks for input Rick.


----- Original Message -----
From: "Rick Krejci" <rick.krejci@psware.com>
To: <astro-photo@seds.org>
Sent: Friday, September 21, 2001 4:27 PM
Subject: Re: [APML] LX 90 for Astrophotography ?


> Simon,
>
> While I have no experience with the mounts you describe, I've had success
> with the LX-90.  I am very much a beginner (<6 month experience), but I
feel
> the LX-90 is very solid and capable.
>
> It has no PEC, but the periodic error present is very smooth and
predictable
> (i.e. no lurching or jerking).  With autoguiding, the lack of PEC is a
> non-issue IMO.
>
> No mirror lock, but I've found very little image shift in focusing (~10
> arcsec) and I assume that would be an absolute worse case for mirror flop.
> As long as you end focusing CCW, it becomes basically a non-issue.
>
> My web page has some examples of what the LX-90 is capable of by a
complete
> newbie.  The Orion photo is from the first roll of film I ever tried and
is
> manually guided.  The M51 slide portion was 1 hour manually guided.  The
> Trifid (my favorite) was autoguided with my ST-5.
>
> I don't have a flip mirror, nor do I have a desire for one.  Using high
> precision mode, I can consistently get the object in the FOV of even the
> tiny ST-5.
>
> If you're looking for a solid, relatively inexpensive astrophotography
> platform, I don't think there's a better bang for the buck.
>
> Rick
> My LX-90 Astrophotography Site.
> http://home.earthlink.net/~rjkrejci/
>
> ----- Original Message -----
> From: "Simon" <compulsion@btinternet.com>
> To: <astro-photo@seds.org>
> Sent: Friday, September 21, 2001 5:48 AM
> Subject: [APML] LX 90 for Astrophotography ?
>
>
> > Any one have any experience of using the LX-90 for photography ?
> >
> > would it perform better than my current Visac, Skysensor on SP mount ?
> >
> > Cheers.
> >
> >
> >
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> >
>
>
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