The data that comprise the figures on the previous page can now be directly retrived as formatted text files. Click on any of the links below to download the data. The links are sorted by spectral type. If you want to try something difficult, see if you can combine various classes of stars to produce a galaxy spectrum. ... The data stars at wavelength 3505 angstroms and each point represents an additional 5 angstroms. ... wavelength = 3505 + 5*(bin) ; bin = 1,1084 . ...