http://dr5.lamost.org/v3/sas/fits/20161203/GAC115N58B2/spec-57726-GAC115N58B2_sp16-084.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161203/GAC115N58B2/spec-57726-GAC115N58B2_sp16-084.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161203/GAC115N58B2/spec-57726-GAC115N58B2_sp16-084.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161203/GAC115N58B2/spec-57726-GAC115N58B2_sp16-084.fits.gz