Remove image noise with Photoshop (CS5)
Images taken in the dark often have unpleasant noise. To remove this noise as much as possible, proceed as follows.
Open Photoshop File >> Open as... Select "Camera Raw" as the file type and choose image. Activate basic settings Increase clarity, as needed Activate details Set luminance and color to 100. The noise is then gone. However, the picture might look a bit blurred afterwards. Open imageDetails Sharpener Select tool. Set the threshold value to approx. 35% as desired Sharpen over the image. The result always again, and repeat the process until you like it.