http://dr5.lamost.org/v3/sas/fits/20161028/GAC058N31B1/spec-57690-GAC058N31B1_sp15-036.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161028/GAC058N31B1/spec-57690-GAC058N31B1_sp15-036.fits.gz
http://dr5.lamost.org/v3/sas/fits/20161028/GAC058N31B1/spec-57690-GAC058N31B1_sp15-036.fits.gz