[Aavso-photometry] New or used CCDs

[Tim Crawford]

Chris,

As long as it is a "suitable" CCD for photometry (some
have exposure limitations due to having a
anti-blooming feature) you should be fine.

As an example, there are a lot of the older SBIG's
instruments out there that require that your computer
have a parallel port as opposed to newer models which
use the USB standard.  These are fine instruments and
sell used today at reasonably modest prices.

If you have a specific model in mind feel free to
query the group for input and advice...  there is no
such thing as a dumb question!

ad Astra

Tim Crawford CTX
Arch Cape Observatory


--- cspratt <cspratt at islandnet.com> wrote:

> Is it really required to purchase the "newest" CCD
> available on the 
> market, or would one of the older models, that is
> available on the used 
> market, sufficient for photometry work?
> 
> Chris. Spratt
> Victoria, BC
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