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Hi Greg, hi Alan
Greg, thanks for the info on the other monochrome ccd's available.
The advantage of the QHY9 is that it's light weight allows me to use it on my current setup. Also, it's smaller chip hides a lot of the edge defects in my telescope.
A larger chip would not only involve a more expensive camera for me, but I would certainly have to upgrade my telescope and also my mount...a huge expense!
So Alan, that is where you have to be careful when choosing a ccd...the domino effect could be severe!
As to the RGGB Bayer matrix. This is correct. Two pixels are assigned to green to help mimic the characteristics of the human eye and it is the standard used on most OSC cameras.
However, Greg has mentioned that Kodak has bought out a chip that does have an RGB bayer matrix. This might be of benefit to astrophotography.
Alan, the most important thing, however, is to get the most out of whatever camera you have at the moment. It's the best way to learn and the best way to understand what your future needs will be.
Thanks.
Ross.
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