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sxv guider intro
sxv guider cooling
sxv guider PSU
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sxv guider intro

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I started by using a starlight MX5 camera to guide the SXV camera, however the promise of an all USB system and the possibility of guiding though the telescopes guider connection tempted me into buying a SXV guider.

 

 

 

It had been well reported that the first SXV guide cameras did not have particularly good sensitivity.  For a page highlighting these issues see http://www.schmid-koenig.de/astro/instruments/sxvh9guider.htm

 However starlight has changed to using ICX405 CCD's in their latest guiders to enhance sensitivity.

http://products.sel.sony.com/semi/PDF/ICX405AL.pdf

From the data sheet these CCD's are very nice devices.

So anyway,  I bought the new guider, plugged it into my guide scope and focused an a bright star.  Then I entered a series of M objects around Leo into ACP and asked for pictures of all.  In every case the imaging failed as Maxim could not find a star to guide on.  The problem was the camera was just not sensitive enough.

The problem did not seem to be the CCD as the recent Sony devices have a good reputation.  Other possibles were readout and thermal noise.

As the guide camera was not going to be much use in an automated ACP type set up I was either going to have to ask for a refund to try to improve things.....

The next couple of pages describe adding a cooler to the SXV guider and what happens when this is done!

 

 

 

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See the full range of Atik cooled CCD cameras for astronomy on the Atik Website

 


Copyright 2006 Steve Chambers. All Rights  Steve@pmdo.com

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