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Tri-Color Images

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Posted by Glenn Mitchell on July 29, 2002 20:01:01 UTC

You can get a filter adapter that allows you to use trays to load filters. You can also buy a set of IR blocking dichroic filters.

The imaging chip on the STV is limited, however. It's the same chip used in the SIG ST-237A.

If you want to autoguide and get reasonable CCD sensitivity and resolution, you should consider something like the ST-7.

The downside is the ST-7 requires a PC connection. The STV autoguides all on it's own -- great for film autoguiding (my use for it).

As an autoguider, the STV is the best devised for amateur astronomers. As a CCD imager, it's very primitive by today's standards. It's not worth the time and energy to cobble together a tri-color solution, IMHO.


Glenn E. Mitchell II, Ph.D. (aka Mitch)
10" f/10 Meade LX-200 GPS (Big Blue) s/n 01088
Supercharged at ASO by Dr. Clay Sherrod, # 2314-2010
N 30 30' 49.2" / W 084 20' 13.8"

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