http://dr5.lamost.org/v3/sas/fits/20141212/GAC081N20B1/spec-57004-GAC081N20B1_sp05-082.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141212/GAC081N20B1/spec-57004-GAC081N20B1_sp05-082.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141212/GAC081N20B1/spec-57004-GAC081N20B1_sp05-082.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141212/GAC081N20B1/spec-57004-GAC081N20B1_sp05-082.fits.gz