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Desert Glow

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Photo

Title     Desert Glow
Photographer     ericopp/Eric (76) Send mail to this user
Portfolio     Travel
F-stop     f/5.6
Shutter speed     30 sec
Categories     Landscape
Sky
Travel
Camera     Canon Rebel T1i
Content advisory     G (general audiences)
Submitted     August 24, 2011 5:08:04 PM CDT
Views     351
Rating     1 Thumb-up

Negev Desert, Israel at night, long after sunset.

I reduced the appearance of some of the very bright green blotches near the palm tree in PS, but having trouble making all the big faint blotches disappear. Any advice on for fixing in PS? Are these green spots caused only from light (from the green flood light off to the left) bouncing around in the lens or dust in the lens?

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Thumb-up    from rik72/Riccardo (489) Send mail to this user on August 24, 2011 11:47:59 PM CDT (1) Early critique

Eric the light artifacts are due to lens flare: http://en.wikipedia.org/wiki/Lens_flare As the informative article says on foot of one of the examples, lens flare is extremely difficult to control when a bright light source is just outside the frame. As how to get rid of those blotches, I think the only (quite laborious) thing you could try is defining a mask for each spot exactly following contours and separately applying a hue/saturation and luminance filter selectively on each one. Maybe if you're really interested in the photo but you like it also in B/W it can be easier, as you have not to worry about the green glow.

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Thumb-up    from vangoghsear/Arne (1,017) Send mail to this user on August 24, 2011 6:20:15 PM CDT (1) Early critique

It is not a perfect solution but I tried desaturating and darkening the greens with a HSL adustment layer in PSP. The areas you mentioned are less obvious but not completely removed. Try it and let me know what you think.

As to why these blotches happened I haven't a clue.

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From ericopp/Eric (76) Send mail to this user on August 24, 2011 8:55:22 PM CDT

you're right, desaturating and darkening the greens is not perfect, but definitely a good improvement. Thanks for the help

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From roushportraits/Jessica (1,277) Send mail to this user on August 24, 2011 6:21:04 PM CDT

I played with this a bit in photoshop just to see what I could figure out. I did't take a lot of time with it but have the results to show you if you are interested. I could email it to you as a pdf so you can see the layers and try to see what I did. I use CS3. If you have CS3 or later you should be able to see my layers just fine. Happy shooting, Jessica

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From deleted22692269/deleted (2,218) Send mail to this user on August 25, 2011 4:11:07 PM CDT

To eliminate lens flare, move the camera before you press the shutter button.

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