http://dr5.lamost.org/v3/sas/fits/20131224/GAC105N24V2/spec-56651-GAC105N24V2_sp04-103.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131224/GAC105N24V2/spec-56651-GAC105N24V2_sp04-103.fits.gz
http://dr5.lamost.org/v3/sas/fits/20131224/GAC105N24V2/spec-56651-GAC105N24V2_sp04-103.fits.gz