There is some significant post processing required after taking an infrared image. The following two images show what the picture looks like straight out of camera (SOOC). One is taken like a regular photograph and the other with the IR filter on the end of the lens...
When taking the infrared image above, I set my white balance to 2600 Kelvin to reduce some of the red tones. The exposure was for 238 seconds. As you can see, the image is still very red/pink. One of the first things in post processing such an infrared image is to manipulate the blue/red channels. Change the red channel such that the red is at 0 and the blue is at 100. Similarly, change the blue channel such that the blue is 0 and the red is 100. From there, you'll likely make minor adjustments until you can get to something that is usable. I also play around a little bit with the green channel. After those adjustment, I come up with the following image...
Depending what you are looking for or the type of drama you're attempting to achieve in your image, you could also blend the regular image and the above image together using layers and layer masks to come up with my final image shown below.
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