Re: guiding relays vs scope controls
- From: "RMOLLISE" <rmollise@xxxxxxxxxxx>
- Date: 8 Sep 2006 13:27:00 -0700
Hi:
Are you really using "relays," or do you just mean you're running from
the guiding output of an SBIG camera to an SBIG compatible guide port
on a scope?
The alternative to the SBIG setup is to use a camera and a guide
program that offers RS-232 guiding. Most folks report zero difference
once everything (USB serial adapters, etc.) are set-up and working
properly.
Peace,
Rod Mollise
Author of:
Choosing and Using a Schmidt Cassegrain Telescope
and
The Urban Astronomer's Guide
<http://skywatch.brainiac.com/astroland>
Pierre Vandevennne wrote:
I seem to have problems with the autoguiding relays of my sbig camera.
Haven't really objectivated the issue but it shows up with two different
mounts using two different cables, so I guess there not much room for
doubt.
I have therefore switched my guiding from guider relays to telescope
control. Is the performance going to be markedly different? So far,
everything is fine, but I am using a very short focal length (540mm) and
have had to cut the aggressivness in half, all other things being equal.
Pierre
.
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