http://dr5.lamost.org/v3/sas/fits/20121126/VB054N40V2/spec-56258-VB054N40V2_sp05-073.fits.gz
http://dr5.lamost.org/v3/sas/fits/20121126/VB054N40V2/spec-56258-VB054N40V2_sp05-073.fits.gz
http://dr5.lamost.org/v3/sas/fits/20121126/VB054N40V2/spec-56258-VB054N40V2_sp05-073.fits.gz