http://dr5.lamost.org/v3/sas/fits/20160509/HD171254N002107V01/spec-57518-HD171254N002107V01_sp12-102.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160509/HD171254N002107V01/spec-57518-HD171254N002107V01_sp12-102.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160509/HD171254N002107V01/spec-57518-HD171254N002107V01_sp12-102.fits.gz
http://dr5.lamost.org/v3/sas/fits/20160509/HD171254N002107V01/spec-57518-HD171254N002107V01_sp12-102.fits.gz