registax subbing darks??

[Starcrazzy]

Hi,
I have been trying to get registax to subb the darks from my images...i load the drk frame but then it doesn't seem to do anything??can anyone help...i save my images as bmp's and the dsi makes its own darks file...i also have a dslr which apparently i have to manually take the darks with after each shot, but can't seem to get registax to do the dark sub thing with those eother...im probably just missing something stupid...sorry(newbie)
cheers

[sheeny (Al)]

G'Day Starcrazzy,

You might need to describe a little more fully what you are doing in order for someone to say what's wrong, but I'm happy to tell you what I do. Hopefully, you will find something that you aren't doing or do differently... and if I'm really really lucky, someone will tell us both that there's a better way!

I have taken my darks both as a few frames on the end of my capture avi, and as completely separate avi's (also as single frames on my C5060WZ). Either way, I stack the dark frames in Registax and save them as a BMP file.

Then I select the avi/images I'm going to process, and the click on the "Flat/Dark" button at the top left of the registax screen. Chose "Load Darkframe" and pick the darkframe BMP file that I've just made.

Now before you hit the "Align" button, make sure the "Darkframe" checkbox in the "Use" controls box is checked.

Everything should work...

Now, I should mention that I have been having some problems with my darkframes... If I stack images without a darkframe, everything's cool... if I use a darkframe the dark background of the image goes psychadelic colours. If that happens to you, it is something repeatable and we must be doing something wrong!

Hope this helps anyway!

Al.

[rogerg (Roger)]

I don't have any problem subtracing a dark frame, by loading the files first then the dark frame then ticking the checkbox to subtract the dark (not sure what the "Raw" checkbox does??).

However, anyone got tips for subtracting multiple dark frames? In CCDSoft I normally use at least 3-5 dark frames, combined for ruduction. Registax only supports loading the one from what I can tell.

If I try to stack the dark frames in CCDSoft manually (25mb files from my 350D) CCDSoft gets a file format error, not sure why. If I try to stack the dark frames in Registax there's of course nothing to align on, and I can't skip the alignment stage and go straight to stacking.

Ideas?

Roger.