http://dr5.lamost.org/v3/sas/fits/20140301/GAC108N21B2/spec-56718-GAC108N21B2_sp13-200.fits.gz
http://dr5.lamost.org/v3/sas/fits/20140301/GAC108N21B2/spec-56718-GAC108N21B2_sp13-200.fits.gz
http://dr5.lamost.org/v3/sas/fits/20140301/GAC108N21B2/spec-56718-GAC108N21B2_sp13-200.fits.gz
http://dr5.lamost.org/v3/sas/fits/20140301/GAC108N21B2/spec-56718-GAC108N21B2_sp13-200.fits.gz