http://dr5.lamost.org/v3/sas/fits/20160109/GAC070N40M1/spec-57397-GAC070N40M1_sp13-052.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160109/GAC070N40M1/spec-57397-GAC070N40M1_sp13-052.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160109/GAC070N40M1/spec-57397-GAC070N40M1_sp13-052.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160109/GAC070N40M1/spec-57397-GAC070N40M1_sp13-052.fits.gz