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Thanks Anthony for the advice, now for the answers.
Its good to know that everyone seems to get the colour cast shifting. Might try the splitting into separate colours, sounds like a great idea, and worth the experiment. I already do the RGB shift in wavelets and then adjust as I go so that I get the best picture I can.
Now as for temp difference, last night it was 21 degrees and during the day 38, so perhaps you are right, that I need to do a mod to install a cooling system into the back of the telescope (yikes anyone know how to do this with a $6k telescope?).
As for imaging, I have taken your advice and been imaging at 4- 4:30 am. Unfortunately, this cannot last for long, as my neighbour has a lovely gum tree which is now getting in the way. So I will have to be content with earlier and earlier times so that I can image. I have a very limited field of view.
Finally, I might just take you up on that offer of a visit to Canberra, so that I can see how the master works.
I will report back with details on how I go.
Thanks
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