http://dr5.lamost.org/v3/sas/fits/20160126/GAC064N42B1/spec-57414-GAC064N42B1_sp07-243.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160126/GAC064N42B1/spec-57414-GAC064N42B1_sp07-243.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160126/GAC064N42B1/spec-57414-GAC064N42B1_sp07-243.fits.gz