Image-processing tutorial, 14-May

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rwilkinson
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Image-processing tutorial, 14-May

#1 Post by rwilkinson » Wed May 15, 2013 6:14 am

Many thanks to David & Gerald for a tremendous tour de force last night: there was clearly many years of expertise and patient experiments distilled into that session!
I've been using IRIS for around five years now, but always learn a few more useful techniques whenever I listen to David talking us through his processing. :D

bholmes

Re: Image-processing tutorial, 14-May

#2 Post by bholmes » Wed May 15, 2013 6:57 am

Yes, many thanks David and Gerald for another master class.

I was saying to Ross that I have tried some of the other processing applications which are more user friendly but keep being drawn back to IRIS which does produce much better results even on my images. Things have just begun to fall into place and it has started to make sense after 2 years of trying (on and off). Just think, I have only another 23 years of practice with IRIS and I might start to get something worth looking at :D

Thanks again

Regards

jMcConnell

Re: Image-processing tutorial, 14-May

#3 Post by jMcConnell » Wed May 22, 2013 7:44 pm

Hi,

On the subject of image processing, is anyone willing to share some of their raw data with the new guys?

I had the good fortune to attend the presentation but have a very limited stock of raw files to practice on - those that I have done myself are very poor by comparison. What I was hoping for is some from more experienced members so that I and others could practice the art using IRIS etc. I've tried following some links off google but to no avail.

As an alternative, if anyone knows of a good source, could they post the link?

Hope someone out there has some...

John

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Re: Image-processing tutorial, 14-May

#4 Post by DRatledge » Wed May 22, 2013 8:17 pm

John,
The raw files I used in the tutorial belong to Keith and Dean so subject to their agreement I can copy them for you. However, they are not easy files to process! I still have the workflow print-out with the various magic numbers used which should help a bit.
David

dean_kos

Re: Image-processing tutorial, 14-May

#5 Post by dean_kos » Wed May 22, 2013 9:18 pm

I'm more than happy for you to have a pop at mine John ...... No problem

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Re: Image-processing tutorial, 14-May

#6 Post by rwilkinson » Sat May 25, 2013 7:16 pm

jMcConnell wrote:On the subject of image processing, is anyone willing to share some of their raw data with the new guys?
I've assembled the complete data-set (lights & calibration frames) which I obtained whilst testing the Society's "new" Canon 300D on M51 at the start of April into a GoogleDrive folder, so that I can share it with you (and anyone else who would like to have a go). But note that this comprises 48x 5MByte files, so they will take some time to download!
And this is what I managed to make of it: http://www.boltonastro.co.uk/gallery/di ... p?pid=1209

jMcConnell

Re: Image-processing tutorial, 14-May

#7 Post by jMcConnell » Sun May 26, 2013 9:54 pm

Hi Ross,

Thank you, that was just the kind of thing I was after - many thanks.

and Hi Dean,

Yes please, if you can share them that'd be great - perhaps I can get them off you at the next meeting along with Dave's work through.

Thanks again for the help and advice.

John

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Re: Image-processing tutorial, 14-May

#8 Post by DRatledge » Mon May 27, 2013 10:25 am

John,
I've copied the tutorial files onto a DVD plus the sheet with my workings and the all important magic numbers. They are not magic really - just found with trial and error.
I'll bring it along next meeting but you will need to remind me.
David

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