accept raw/pixel if astropy doesn't know what to do
accept raw/pixel if astropy doesn't know what to do

rupak0577/ginga,rupak0577/ginga,naojsoft/ginga,stscieisenhamer/ginga,pllim/ginga,rajul/ginga,Cadair/ginga,ejeschke/ginga,Cadair/ginga,ejeschke/ginga,ejeschke/ginga,naojsoft/ginga,stscieisenhamer/ginga,rajul/ginga,naojsoft/ginga,Cadair/ginga,pllim/ginga,rupak0577/ginga,pllim/ginga,rajul/ginga,stscieisenhamer/ginga