Thanks guys, I have looked at the image again. I was not happy with the greater concentration of blues in the former image, so have adjusted both the registration and the colour balance.
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Originally Posted by gregbradley
Yes a very nice image and the composition as you say is not ideal. Are you able to not use the AOX in these situations or doesn't it work that way?
Lovely colours and that area at the bottom left is the best part of the image. Lots of detail there.
Greg.
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Thanks Greg. The AOX really needs reasonably bright stars to be useful as guide stars. You can use less bright stars but in Maxim those stars create guide star fade problems at present. This means that in automation the camera will struggle to find a guide star after it has moved to go and focus and then returns to the target. Usually it will find the guide star on the next image taken. This can mean that I would lose quite a few subs during a night of imaging if the temperature changes a lot and therefore requiring more focus runs. There is work being done on the software to eliminate this problem and I am just waiting for that work to be completed to use stars around mag 7-9 again. For now I am forced to use bright stars around mag 5 and that can lead to composition problems.
Alternatively I could use traditional guiding but that means the AOX is not in operation.
Quote:
Originally Posted by RickS
Colour and detail all look good, Paul. I'd be interested to see a small crop at full res.
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Thanks Rick. Which part are you interested in Rick. NGC6559 itself?