http://dr5.lamost.org/v3/sas/fits/20131103/GAC117N24B1/spec-56600-GAC117N24B1_sp10-108.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131103/GAC117N24B1/spec-56600-GAC117N24B1_sp10-108.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131103/GAC117N24B1/spec-56600-GAC117N24B1_sp10-108.fits.gz