http://dr5.lamost.org/v3/sas/fits/20170209/HD104049N254200V02/spec-57794-HD104049N254200V02_sp08-169.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170209/HD104049N254200V02/spec-57794-HD104049N254200V02_sp08-169.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170209/HD104049N254200V02/spec-57794-HD104049N254200V02_sp08-169.fits.gz