http://dr5.lamost.org/v3/sas/fits/20151005/GAC_033209_B1_1/spec-57301-GAC_033209_B1_1_sp13-056.fits.gz
http://dr5.lamost.org/v3/sas/fits/20151005/GAC_033209_B1_1/spec-57301-GAC_033209_B1_1_sp13-056.fits.gz
http://dr5.lamost.org/v3/sas/fits/20151005/GAC_033209_B1_1/spec-57301-GAC_033209_B1_1_sp13-056.fits.gz