Re: [APML] 2 More ST-4 questions

["Joseph Schaefer" <schaefer@htva.net>]

Hi Chris,
 I don't understand the difference between running the ST-4 for 4-8 hours or
4-8 hours plus 10 minutes.
The only way I know to not cool the CCD ship is to power down the unit. I
think (I know I shouldn't hurt myself)
 the chip is being cooled if the unit is tracking or in standby (or as long
as power is applied).
I have been using my ST-4 for over three years and I am also interested in
what SBIG has to say.
Thanks,
Joe Schaefer


----- Original Message -----
From: "Chris Cook" <ccjd@ix.netcom.com>
To: "Discussion of Film Astrophotography" <astro-photo@seds.org>
Sent: Saturday, April 26, 2003 3:25 PM
Subject: Re: [APML] 2 More ST-4 questions


> At the end of a nights shooting (4-8hrs), I don't immediately power down
the
> ST-4.  Its usually on for about 5-10 minutes after I finish with the last
> exposure, during which I start covering up the scope, cameras etc.... I
> never intended it or thought of it as a thermal shutdown.
> Let us know what SBIG says.
>
> Chris
>
> ----------------------------------
> Chris Cook
> Astronomical & Nightscape Photography
> www.abmedia.com/astro
>
> -----Original Message-----
> From: Alan Voetsch <critter12952@yahoo.com>
> To: Discussion of Film Astrophotography <astro-photo@seds.org>
> Date: Saturday, April 26, 2003 3:05 PM
> Subject: Re: [APML] 2 More ST-4 questions
>
>
> >Hi Chris,
> >
> >--- Chris Cook <ccjd@ix.netcom.com> wrote:
> >> You just unplug it from your power supply.  Don't unplug the power
> >> cable
> >> from the unit itself while on.  There is no thermal shutdown
> >> procedure.
> >> Always have all the cables pluged into the unit box before power up.
> >
> >I feel comfortable enough about connecting, operating, and using the
> >ST-4. Other than the thermal shutdown thing. I don't think I'll have
> >any problems with it. But, I'm not going to use it until I hear from
> >SBIG about thermal shutdown, and/or the cold, miserable, damp, cloudy
> >weather moves somewhere else. This has been one of the coldest, wettest
> >Aprils on record, and it sucks.
> >
> >Thanks,
> >Alan
> >
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