John and Jasem,

Thank you for getting back to me. John, yesterday, in anticipation of imaging last night, I did just what you suggest. I deleted all my existing Optical Trains and then reestablished them. Things seem to be working again now. I do have one small question regarding filters. When you are in the Configure Equipment window for Filters, it seems you can only add filters associated with a particular filter wheel. The name of the filter wheel shows up in the Vendor field for the filter (a little confusing). If you just try to add a filter you may only use once in a while, as far as I can tell, you have to associate it with a filter wheel - I used the Manual Filter for that. You are limited to only 5 filters in that configuration which is limiting in some circumstances where you can't use an automated filter wheel (using the Starizona on a Celestron SCT for example). Maybe there's another filter wheel I should try or maybe I was doing something wrong?

Jasem, I did try to simplify my set up when I reestablised my Optical Trains. In the equipment list I now have only my C11 but I still set up 4 Optical Trains. Since the C11 can be set up to shoot at 540mm (with a HyperStar), 1956mm (with the Celestron .7 reducer), 2800 (the native focal length), and 5600mm (with the Televue 2x Powermate), I thought having an Optical Train for each focal length would be easiest. Also, in some configurations I can use a filter wheel and in others I can't. Also, in the Hyperstar configuration I use a different focuser as well. So, given the differences I chose to set up 4 optical trains and 3 guiding trains (in two of the setups I use a guide scope instead of an OAG so they are the same). If there is an easier way to set all this up, I'm all ears. Since more things seem to be Optical Train dependent I find myself double checking things to make sure settings I have don't change with an Optical Train change.

Thanks again,
Fred

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