Re: [APML] ST-7Ei as a guider (Was: New ST-4s)

["Jim Ives" <flyboy9990@earthlink.net>]

You can reduce download time with CCD soft by only downloading a small
subframe.

Jim Ives
----- Original Message -----
From: <pcjones@attbi.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Thursday, March 13, 2003 9:27 AM
Subject: Re: [APML] ST-7Ei as a guider (Was: New ST-4s)


> Thanks Alan. My concern is that the ST-7 chip size combined with the fact
that
> the ST-7i is NOT a USB interface means downloads will be too slow for
guiding. I
> previously used a ST-237 and the downloads were barely fast enough. I want
the
> STV, but am waiting for SBIG to produce either a USB version, or better
yet, a
> firewire version.
>
> -Phil
> > Hi Phil,
> >
> > Following is an excerpt that I got back as I asked about the various
> > SBIG cameras as autoguiders last month on the SBIG group. Ron Wodaski
> > knows as much about CCDs as anyone else, so I'll trust his judgement.
> > Now, I just need to figure out how.
> >
> > Alan
> >
> > > -----Original Message-----
> > > From: Alan Voetsch [mailto:critter12952@yahoo.com]
> > > Sent: Saturday, February 15, 2003 6:06 PM
> > > To: SBIG@yahoogroups.com
> > > Subject: RE: [SBIG] Re: ST-4, 5, 6, 7i and 237 or (a) as autoguiders,
> > > advice please
> >
> > > --- Wodaski Yahoo Groups <yahoo@wodaski.com> wrote:
> > > > It has one chip. You can guide with it, you can image with it - but
> > > > you just can't do both at the same time.
> > >
> > > Understood. How does the chip size in the 7i compare to the 237s?
> >
> >
> >
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