I took this photo with an exposure of over two minutes, as well as long exposure noise reduction to improve my image quality.
Taken with a 136-second exposure and long exposure noise reduction

Over time, every digital camera will develop “hot” or “stuck” pixels that do not work properly. They aren’t usually visible, but when you’re taking long exposures, they become more and more obvious. The easiest way to fix hot pixels is with a camera setting called long exposure noise reduction.

What Are Hot Pixels?

Hot pixels are bright, colorful pixels in your photo that don’t match with the rest of the image. You generally cannot see them until you magnify a photo 100% or more on your computer. When you do, they often look like small crosses that are brightest in the center.

This photo shows several hot pixels, including one that is very bright in the center.This photo shows several hot pixels, including one that is very bright in the center.
The greenish-blue hot pixel in this image is very obvious, and there are a few other hot pixels throughout the rest of the image as…

This is only a snippet of a Photography Article written by Spencer Cox

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