http://dr5.lamost.org/v3/sas/fits/20160210/GAC100N40B2/spec-57429-GAC100N40B2_sp01-035.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160210/GAC100N40B2/spec-57429-GAC100N40B2_sp01-035.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160210/GAC100N40B2/spec-57429-GAC100N40B2_sp01-035.fits.gz