http://dr5.lamost.org/v3/sas/fits/20161204/GAC081N03B1/spec-57727-GAC081N03B1_sp04-220.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161204/GAC081N03B1/spec-57727-GAC081N03B1_sp04-220.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161204/GAC081N03B1/spec-57727-GAC081N03B1_sp04-220.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161204/GAC081N03B1/spec-57727-GAC081N03B1_sp04-220.fits.gz