Residuals › Forums › Spectroscopy › What wavelength error is acceptable with an Alpy? › Residuals 30 October 2018 at 10:27 pm #580145 Robin LeadbeaterParticipant Hi Andrew, The extrapolation is into the red not the blue ? Do you have the residuals for the blue points for the different fits? Particularly how much improvement in the fit is there going from 3 to 4 ? Robin
