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 Post subject: Light Pollution Gradient Removal
PostPosted: Sun Oct 14, 2018 10:24 am 
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Joined: Mon Oct 12, 2009 8:27 pm
Posts: 377
Location: Adlington
One of our biggest problems in Lancashire is light pollution and the gradients it creates in our astro images. IRIS can get rid of these but it does involve quite a bit of trial and error. I recently tried a commercial alternative AstroFlat Pro. It is not cheap but does it work?

It might have been beginner's luck with it but amazingly one click produced a result. The image below is before and after. There is an appreciable gradient left to right. Once I have fathomed the adjusters then it might get even better.

Needless to say I have no connection to the seller. There is a 15 day free trial if you fancy giving it a go.


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 Post subject: Re: Light Pollution Gradient Removal
PostPosted: Wed Oct 24, 2018 12:27 pm 
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Joined: Mon Mar 12, 2012 7:26 pm
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Location: Horwich
Looks like a good bit of software to add to the tool kit, Will have to save up :-)

Bill

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 Post subject: Re: Light Pollution Gradient Removal
PostPosted: Thu Oct 25, 2018 8:10 pm 
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Joined: Fri Sep 07, 2012 7:20 am
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Location: Atherton
Not much saving to do Bill. I've had the program for a while and seem to remember it being less than £30. It's as good as David says. BillC


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 Post subject: Re: Light Pollution Gradient Removal
PostPosted: Sun Oct 28, 2018 11:04 am 
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Joined: Mon Mar 12, 2012 7:26 pm
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Location: Horwich
Cheers Bill, I'm always looking for ways to improve my image processing, Ross very kindly did some work on my image of NGC457 and sent me the walk through he used in IRIS. I had a go and got very good results.

Regards

Bill


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