http://dr5.lamost.org/v3/sas/fits/20141226/GAC100N17B1/spec-57018-GAC100N17B1_sp14-131.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141226/GAC100N17B1/spec-57018-GAC100N17B1_sp14-131.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141226/GAC100N17B1/spec-57018-GAC100N17B1_sp14-131.fits.gz