http://dr5.lamost.org/v3/sas/fits/20141114/GAC076N18B1/spec-56976-GAC076N18B1_sp15-125.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141114/GAC076N18B1/spec-56976-GAC076N18B1_sp15-125.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141114/GAC076N18B1/spec-56976-GAC076N18B1_sp15-125.fits.gz