Quote:
Originally Posted by CoolhandJo
Thanks Paul. Not sure about the Halo? Always seem to get it when I image this region. Maybe someone else can offer some advice? If I had to guess I would say over exposure on Alnitak as I tried to stretch the image to bring out the horse etc.
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Hi Paul
Great effort mate! well,at f/3.3 It is very fast and using a 10"SCT I would expect a large halo but I kinda like It.
There is ways to reduce It selectively and you would have to start learning to using "Hide all blurred layer mask" to get the best results.
Here's a link that might help but not knowing what you know about PS It might be a bit too advance for you.
http://www.rdelsol.com/Presentations.html
Of cause these things are a lot easier to explain to someone face to face as then you can see first hand what PS tools are already known.
Anyway hope you find the link useful and of cause you could always email me If your not sure about curtain aspects of the tutorial.