› Forums › Spectroscopy › ISIS flat field vertical gain correction tool › Interesting.
2 October 2019 at 7:01 pm
#581431
![](https://britastro.org/wp-content/uploads/2019/12/picture-5132-1575710618-80x80.png)
Participant
Thanks Robin, so as long as you don’t have any significant real vignetting it seems to be the way to go.
I will give the software a miss.
Regards Andrew