Purple haze.

Ok - so I took this last week and wanted to show off the sky. I selected the sky and did a bit of post processing to highlight the moodiness.

However, I ended up with a 'fringe' around the tail. How do I eliminate this?

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burn tool in photoshop?

what is that caused by? the lense? do u use the new DO?

What postprocessing did you do?

I selected the sky and then adjusted curves.

I don't know what causes the haze - I assumed it was as a result of the processing.

that would de it. u probably left some bit of the sky around the tail when u adjusted curves unselected

Next time you make a selection, pay close attention to the value in the Feather box. You probably have it set to a relatively high number. What I would do in this case is use a feather of 0 or 1 since the lines on the plane are hard and hence doesn't really need any feathering. But you have to be exact in your selection.

This probably doesn't apply but it is similar.

I often get halos when using blur creatively. What I do to avoid them is to select the background and copy it into a new layer. Then do a super quick job with the clone tool to fill in the blank area that was left by the subject. Now I can blur the background and I don't get the subject colour (or grey when I cut the subject and leave that area blank). Then I put the subject back in, maybe feathered slightly and there are no halos.

Speaking of Halo, Nov 9th is fast approaching.

Cheers,