http://dr5.lamost.org/v3/sas/fits/20130317/GAC115N15V2/spec-56369-GAC115N15V2_sp12-157.fits.gz
http://dr5.lamost.org/v3/sas/fits/20130317/GAC115N15V2/spec-56369-GAC115N15V2_sp12-157.fits.gz
http://dr5.lamost.org/v3/sas/fits/20130317/GAC115N15V2/spec-56369-GAC115N15V2_sp12-157.fits.gz