Hi Peter. Thanks for taking the time to look and respond.
Here is my current setup and what I consider to be the limitations with my rig, to which I can make no further modifications or improvements without causing a divorce...
SW ED80, with Moonlite focuser. Manual filter wheel, ED80 0.85 reducer/flattener. Thin OAG with Atik 314L guiding and Atik 11000 imaging.
The size of the 11000 sensor is a problem. There is going to be some distortion in the corners no matter what I do with flatteners etc. I have got the field as flat as I am going to get it.
The red channel was not taken in the exact same position as the green and blue. It was framed more to the top left rather than centred. Don't know why. Just did it that way. That would explain the difference in the positioning of the red stars... I think.
So, my question was would PI, or some other program, have the power to accurately align the images? From what I understand, there are programs out there that can do this from different focal lengths, cameras etc. Is PI the best program to do this with?
I have broached the issue of purchasing this with the chief financial advisor, and I must say the response was less than pleasant, but not a NO... Have to save. Is the money worth it?
Cheers Peter.
Ex DJ Scotty
