http://dr5.lamost.org/v3/sas/fits/20111203/GAC_045N28_B1/spec-55899-GAC_045N28_B1_sp06-057.fits.gz
http://dr5.lamost.org/v3/sas/fits/20111203/GAC_045N28_B1/spec-55899-GAC_045N28_B1_sp09-139.fits.gz
http://dr5.lamost.org/v3/sas/fits/20111203/GAC_045N28_B1/spec-55899-GAC_045N28_B1_sp13-102.fits.gz