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Blue Hour photo printing
Apr 28, 2021 19:49:48   #
jonjacobik Loc: Quincy, MA
 
I've got nice Super moon photo that I want to print. Taken in the blue hour.

When I print it the sky turns darker and looks like it's past blue hour, if I boost the exposure, the sky turns green.

Any suggestions that can help me get the right color - so it looks like it does on my calibrated monitor? You can see the image at:

https://www.uglyhedgehog.com/t-694959-1.html#12199464

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Apr 29, 2021 10:43:48   #
Jaackil Loc: Massachusetts
 
jonjacobik wrote:
I've got nice Super moon photo that I want to print. Taken in the blue hour.

When I print it the sky turns darker and looks like it's past blue hour, if I boost the exposure, the sky turns green.

Any suggestions that can help me get the right color - so it looks like it does on my calibrated monitor? You can see the image at:

https://www.uglyhedgehog.com/t-694959-1.html#12199464

That is a great shot!

This is just a shot in the dark no pun intended. What color space is your output? If it is anything other than sRGB try sRGb Without getting into a big technical explanation most printers can not handle any of the expanded color spaces. sRbg is the default for most printers including commercial printers unless you are using a pro lab that can handle those color spaces. I hope this helps. Good luck.

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Apr 29, 2021 11:06:55   #
tcthome Loc: NJ
 
What program are you printing from? If LR , in the print module (at the very bottom) there is brightness tab. Could try that. It shouldn't shift the colors. Also , is your monitor calibrated with a device (i1Display Pro) from xrite?= this is important for a print to monitor match.

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Apr 29, 2021 13:20:51   #
larryepage Loc: North Texas area
 
jonjacobik wrote:
I've got nice Super moon photo that I want to print. Taken in the blue hour.

When I print it the sky turns darker and looks like it's past blue hour, if I boost the exposure, the sky turns green.

Any suggestions that can help me get the right color - so it looks like it does on my calibrated monitor? You can see the image at:

https://www.uglyhedgehog.com/t-694959-1.html#12199464


Blue hour can be quite a challenge. Here is the link to a post that includes probably my own favorite Blue Hour photograph:

https://www.uglyhedgehog.com/t-555526-1.html

As displayed, the color temperature is 20,000K. Download & zoom, then note what that does to the lighting of the buildings in the distance (above the two white crosses). I was across the street from those buildings earlier, and their lights were not orange. If the moon had been in this image, it would also have appeared as bright orange the way things are presented. In your image, neither the color temperature of the moon (probably around 5600K or 5800K) nor of the lights in the fountain (probably around 4,000K or maybe even lower) is anywhere close to the color temperature that would render the sky at its most attractive (probably somewhere between 10,000K and 20,000K, depending on how long after sunset you captured the image).

So my guess is that to get the best results, and for those results to be printable, you are going to have to separate your image into layers and do some "doctoring" of your white balances. You are probably going to have to give up some of the perceived blue of the sky in your video image in order to end up with a printed image that works. And you might consider reducing the overall tonal range just a little bit. I realize that this sounds counterintuitive, and it may not work. But not only do you have fairly high dynamic range here, you also have pretty colorimetric dynamic range (I just made that term up, but I think it's descriptive).

Experiment a little and see what you can do.

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Apr 29, 2021 15:22:52   #
DanCSF Loc: SA Bay Area CA
 
At this point if you want an exact printed version of what you see on your monitor you will need to dive into the world of color calibration bwt the printer and monitor, good luck with that...It's a black art/science and will involve lots of test prints, paper and ink usage. But hey there's also taking your image to a pro lab and getting a decent print from them...for those who want a exact hard copy it's worth it..DanC

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May 2, 2021 09:45:26   #
jonjacobik Loc: Quincy, MA
 
Thanks. Very helpful. You seem to very colormetric understanding of the problem. Using a copied layer, I brightened it too far, then used opacity to blend the two. It worked out nicely.

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May 2, 2021 16:28:45   #
larryepage Loc: North Texas area
 
jonjacobik wrote:
Thanks. Very helpful. You seem to very colormetric understanding of the problem. Using a copied layer, I brightened it too far, then used opacity to blend the two. It worked out nicely.


Glad you found a solution that worked.

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