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Old 24-04-2013, 11:37 AM
jase (Jason)
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Join Date: Sep 2006
Location: Melbourne, Victoria
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As does ACP. Most if not all observatory automation software has this capability these days. With ACP you simply run a script and it does it all for you, that way you can simply focus using the luminance filter once an while and freely switch between broad or narrow band filters and know you are hitting the CFZ.

You can also manually configure filter offsets in image acquisition tools such as MaximDL. Calculating the offset manually is not a fun exercise however as you really should make multiple passes per filter so you average the result. I believe ACP by default does 5 filter passes but its configurable to suit your needs.
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