http://dr5.lamost.org/v3/sas/fits/20120201/GAC_094N27_V1/spec-55959-GAC_094N27_V1_sp14-055.fits.gz
http://dr5.lamost.org/v3/sas/fits/20120201/GAC_094N27_V1/spec-55959-GAC_094N27_V1_sp16-098.fits.gz