shifting lines! › Forums › Spectroscopy › I’m doing something wrong › shifting lines! 5 December 2016 at 10:42 pm #577702 Steve CuthbertParticipant 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
