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Hi Alistair, I am not at home at present, and my images are on my laptop
there.I have recently bought BackyardEOS but haven't had time to get into it; hopefully next week, weather permitting. Because my PA is not perfect I can see slight movement of the target from one sub to the next
when viewing them on the camera's screen, so I thought that would take care of dithering. I have no idea how one would know the sensor temp.
The ambient recently has been 12-14 degrees. I don't use raw at all, just
stick to JPEGs [I know raw is better]; I'm just so sick of constantly
having to find ways of changing file types to suit software needs. Even
video files from my Canon are not recognised.
Just seen your post Pluto; I will try that, thankyou.
The noise I see is usually in the form of horizontal lines of fluffy knitting,
[that's the best description I can think of]. Sometimes it is like tiny
clouds of a combination of grey and pink. Another member recently
posted that he had the same horizontal lines in his images using his
1100D, so I assume that it is normal. I think that my main problem is that as an oldie I have little empathy with computers, and am in
totally alien territory. As an example, I can take a dark, as you suggest,
but as to how to stretch it to see how much noise I have, I wouldn't
have a clue. As fast as I learn how to do something, the next something turns up. You may usually get better results than film gave, but my
goodness you have to work for it. This is my last attempt to get it all
together. It is stupid and pointless receiving all this wonderful help
and advice, and wasting people's time, if it is just too much for me.
Thank you all so much.
raymo
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