› Forums › Spectroscopy › ISIS flat field vertical gain correction tool › Good quality
4 October 2019 at 4:39 pm
#581438
![](https://britastro.org/wp-content/uploads/2019/12/picture-5132-1575710618-80x80.png)
Participant
Hi Robin, it confirms, I think, it is better to put the effort into having hight quality data and calibration frames than to try and fix it in software.
That’s why I used an external flat source with my LISA.
Regards Andrew