Archive M57-S001-R001-C001-Halpha.fits  from  ObsParis
Archive M57-S001-R001-C001-OII.fits  from  ObsParis
Archive M57-S001-R001-C001-SDSS_g.fits  from  ObsParis
Archive M57-S001-R001-C001-SDSS_r.fits  from  ObsParis
Archive M57-S001-R001-C002-Halpha.fits  from  ObsParis
Archive M57-S001-R001-C002-OII.fits  from  ObsParis
Archive M57-S001-R001-C002-SDSS_g.fits  from  ObsParis