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Dunk,
Sorry to confuse, one set up but two use cases:
1. Oly SLR/PRO Lens and no tracking etc. For widefield and air travel cases. This I have sorted.
2. Home and road trips. APO scope (2.5Kg or less), guided, cooled CCD but used in both red zone (home) and dark skies (away). Secondary desire is to use the OTA for visual.
It is the second of these cases I am seeking ideas for, both the OTA and imaging train, the objective of being to be able to go longer than 60s (300s?) and image somewhere about 400mm fl.
I have a WO 66SD and flatener currently left over from my previous setup. I am looking for something that give significantly better results for AP that that. While the field is flat and the fl is ok it has CA issues.
John
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