› Forums › Spectroscopy › I’m doing something wrong › shifting lines!
5 December 2016 at 10:42 pm
#577702
![](https://britastro.org/wp-content/uploads/2016/11/picture-2092-1477996892-80x80.jpg)
Participant
Hi Kate
Not quite sure whats going on there. I think the star not being fully on the slit would just reduce the intensiity I don`t think it would cause any line shifting,maybe someone else could chip in ?.
cheers
Steve