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The g-star is a great camera for its price and I would pick it over the stellacam 2 because you will have alot more back up locally here from the many users but its only limmited to 2.5 sec intergration times. This is ok for imaging situations as you can just stack many frames to bring out more detail but it and the Stellacams are only monochrome so they are very sensitive but you will need to use filters to get colour shots but for live veiwing only monochrome will be displayed.
If you want a cooled version of an astro-vid camera then look at the Stellacam 3 or even better if you are spending that sort of money then go down the Mallincam route as these are as good as it gets for video work. The cooled cameras will be less noisy and more sensitive.
The colour mallincam is cooled and has automatic refresh exposure rated as high as 56seconds and the internal circuitry has been totally modified with higher class componets and more gain with cooling of about 50 degrees below ambient. These cameras give you a totally wow factor in deep sky viewing but are more suited for live viewing and although you can save images via a video converter to a PC if you want to get into more dedicated imaging then a DSLR or CCD camera would be a better choice.
Video systems allow you to get your feet wet with imaging as they are alot more forgiving on mounts and user experience.
Regards Matt.
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