StarTools

Hi everybody,

Got a color issue. I don't seem to get the right color out of NGC 281. When i tried it about 3 weeks ago i got a nice blue red nebulae but coud not get the stars right

The stack
https://www.dropbox.com/s/jdgxhmyao2pob ... 1.FTS?dl=0

Otherwise rather nice, could recude the starfield in a descent way only lack of color. You can see the pacman rather well considering this is taken with a 76 mm scope and unmodded DSLR. So wonder where i got it wrong....

Hi,

What program did you use to stack this?
The dataset seems to be already color balanced, which is something you want to avoid.
That said, I had no problem at all getting good color (Wipe->Color). Are you sure you used Wipe?

What did your workflow look like?

Hi Ivo,

I use DSS

What do you mean by color balanced?
I changed this setting see screen shot (it is in dutch but i guess that will be ok
background calibration off, this setting used to be on.
As for wiping i tried with and without wiping. There seemed not too much nasty gradient in the picture

DSS > left hand side menu, options > settings > RAW/Fits .... > on the opened dialog under white balance select No white balance processing
Then in startools you can select the linear and not white balanced option
then colour colour can select the matrix for your camera

White balance it not checked...but you mean then i have to choose linear?

I always used the second option sofar....the from DSLR not white balanced

Gonna check it out...

I have assumed you are using RAW files from a DSLR
DSS 4.2.3 'No white balance processing' should be checked
if it is not checked your stack is not a match for the second option when loading into startools

I use indeed RAW files
see screenshot
translated = use camera white balance

if left it unchecked which should mean no white balance

and 'use auto white balance' is desabled so that does not count anyhow ...

But..

Meanwhile i have some color...
ST just gets me confused ..sometimes it presents a image that one things is 'over colored' but after some tweaking with modules gives another image...
I just need time and practice... Better allready...still needs more attention...

I am using DSS 4.2.3
I have not loaded 4.2.5 so can not confirm 'if' the needed setting has been removed

startools only shows you colour in Wipe as a 'look 'see' but it does not then after 'keep' keep the colour.
colour is not in the image until the colour module, up to that point you are processing luminance.