Quote:
Originally Posted by ausastronomer
Paul you aren't remotely qualified to put yourself in Anthony's class. He has been researching active cooling for years and his recent real world achievements speak for themselves. I consider you still have a bit to learn. It is only recently you spent (some would say wasted) a large amount of money on an absolutely superb telescope only to find out after you bought it that it was totally unsuited for the purpose you intended to use it. I could have told you that before you bought it. SDM 14 I believe. An outstanding visual instrument which was never going to be worth a cold frankfurt as an imaging telescope, which was the purpose you bought it for. I believe when you figured out you had made a mistake you subsequently sold it.
http://www.sdmtelescopes.com.au/SDM014.html
Cheers,
John B
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Ah you clearly know more about all this than we do.
Anthony and I go back 5 years and that was when he first showed me active cooling. In point of fact he and I were discussing this very matter today when we met at Kapunda for a couple of hours. You have no idea what Anthony and I have discussed privately over the years and what design aspects we have thought about.
I have a peltier cooled C14 and had peltier cooling on the SDM too. I am well aware of the virtues of peltiers systems and have taken more data down that you think or espouse.
My SDM was sold because I was living in a unit that I owned at the time and could not use the SDM in my back yard. There was nothing wrong with the scope and yet you infer that there was. The build quality by Peter was to specs I asked for and it was very rigid and tracked better than expected. The only real down side was keeping the planet in the imaging pane. My sale of the scope was not related to what you have suggested here.
You make incorrect assertions and I wonder why anyone actually listens to your nonsense mate. You once before accused me of cutting holes in my SDM and this was utter crap. You have once again made assertions that are totally untrue. However you clearly are the expert and everyone should hail to your truths.