http://dr5.lamost.org/v3/sas/fits/20130202/GAC069N36V2/spec-56326-GAC069N36V2_sp05-189.fits.gz
http://dr5.lamost.org/v3/sas/fits/20130202/GAC069N36V2/spec-56326-GAC069N36V2_sp16-223.fits.gz