Re: Create a PEM curve with a camera?
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Stuart <stuart.j.heggie@...>
Hey David, I'm sure you're right to be wondering about the guide scope approach. Have you used this guide scope / main scope together before and confirmed there is no flexure? If you haven't I'd be worried that you'll build a PEC curve for the guide scope only. Stuart Heggie
On Wed, 20 May 2020 at 20:06, <davidenck@...> wrote: Hello All, This may be a silly question, but can I use an ASI 290 mini guide camera (2.9 pixel size) through my guide scope (162 mm focal length) to create a PEM curve for my AP1100 when the day comes? Or should it be through the main scope. It is a Meade lx850 14 inch SCT.. Thinking the guide scope would avoid any mirror shift and such.. My main imaging camera is a Canon T2i.. --
Stuart http://www.astrofoto.ca/stuartheggie/
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