Nice image Leon. My first few were a little rougher than that!
Registax is a pretty flexible program - there are lots of options, so it does seem a bit daunting first up.
Please let us know how you go with Dark Frame subtraction. I am most interested. I have given up on trying deep sky stuff for the moment because I have a problem where the "black" sky ends up psychadelic colours after dark frame subtraction.
I haven't sorted it out yet... I've just stepped back for a while to get some planetary imaging under my belt so it doesn,t get too frustrating...
Still plenty of lessons fo me to learn!
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Originally Posted by [1ponders]
Hi Leon.
You can dark subtract with Registax, but I've not tried it before.
The order of processing should be something along these lines. Convert Raws to 16 bit Tiffs (including darks), combine your darks to created a master dark. You can use registax for this but I've never been very happy about how well it makes a master dark. Then, dark subtraction, flat subtraction (if using flats), aligned, optimized, stacked and waveletted in Registax. Save as tiffs again if your post processing program handles tiffs. Then reopen into your post processing package and complete your curves and levels adjustments.
Alternatively download IRIS (free) and download Jim Solomons Cookbook and give IRIS a go. Pretty steep learning curve but if you follow the Cookbook it will give you a good starting point.
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Paul, do you have a link for Jim Solomon's cookbook? I downloaded IRIS after viewing the SDSS site and wanted to have a play. I can do the stuff in the projects that I've tried from SDSS, but when I try to follow the tutorials from the IRIS website, I don't seem to tbe able to hold my mouth right... Looks like a pretty powerful program once you get over he learning curve!
Thanks,
Al.