I apologize for the snark, but, really, you are both on the internet... http://letmegooglethat.com/?q=data+for+galaxy+rotation+curves http://letmegooglethat.co

I apologize for the snark, but, really, you are both on the internet... http://letmegooglethat.com/?q=data+for+galaxy+rotation+curves http://letmegooglethat.com/?q=data+for+galaxy+rotation+curve... (The fourth link, for example -- http://astroweb.cwru.edu/SPARC/ http://astroweb.cwru.edu/SPARC/ -- has both observed rotation-curve data and computations of expected rotation curves.)