http://dr5.lamost.org/v3/sas/fits/20170205/GAC089N49B1/spec-57790-GAC089N49B1_sp04-168.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170205/GAC089N49B1/spec-57790-GAC089N49B1_sp04-168.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170205/GAC089N49B1/spec-57790-GAC089N49B1_sp04-168.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170205/GAC089N49B1/spec-57790-GAC089N49B1_sp04-168.fits.gz