http://dr5.lamost.org/v3/sas/fits/20150308/GAC090N18B1/spec-57090-GAC090N18B1_sp07-155.fits.gz
http://dr5.lamost.org/v3/sas/fits/20150308/GAC090N18B1/spec-57090-GAC090N18B1_sp07-155.fits.gz
http://dr5.lamost.org/v3/sas/fits/20150308/GAC090N18B1/spec-57090-GAC090N18B1_sp07-155.fits.gz
http://dr5.lamost.org/v3/sas/fits/20150308/GAC090N18B1/spec-57090-GAC090N18B1_sp07-155.fits.gz