http://dr5.lamost.org/v3/sas/fits/20141220/M31004N46B2/spec-57012-M31004N46B2_sp02-070.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141220/M31004N46B2/spec-57012-M31004N46B2_sp02-010.fits.gz
http://dr5.lamost.org/v3/sas/fits/20141220/M31004N46B2/spec-57012-M31004N46B2_sp05-228.fits.gz