http://dr5.lamost.org/v3/sas/fits/20160113/GAC125N19B2/spec-57401-GAC125N19B2_sp05-035.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160113/GAC125N19B2/spec-57401-GAC125N19B2_sp05-035.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160113/GAC125N19B2/spec-57401-GAC125N19B2_sp05-035.fits.gz