radio-astro-tools/spectral-cube — pull request #122 by keflavich (2014-07-30 11:55:40+00:00)
Title: Add 'ignored keywords' to WCS checking

I was having trouble with mismatched MJD, VELOSYS, etc., which are keywords that are important for the coordinate systems but do not define the coordinate system for any given grid, and therefore should not *necessarily* result in mismatched WCSes