http://dr5.lamost.org/v3/sas/fits/20170415/HD090808N144241V02/spec-57859-HD090808N144241V02_sp07-081.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170415/HD090808N144241V02/spec-57859-HD090808N144241V02_sp07-081.fits.gz
http://dr5.lamost.org/v3/sas/fits/20170415/HD090808N144241V02/spec-57859-HD090808N144241V02_sp07-081.fits.gz