Learn how to apply a flat field correction to images taken through a solar telescope. We cover the three major techniques, and demonstrate using popular software.
This is intended only for owners of safe solar telescopes and solar filters. Flat fielding does not provide any protection from the Sun's potentially harmful light and should only be performed in combination with a safe solar filter.
![](https://s2.save4k.ru/pic/h6GjwHtRK80/maxresdefault.jpg)