def pset(label):
    if (label=='10m_g'):
        ref='centre_0.fits'
        img='10m_g_0.fits'
        liste_points = [[337,432],
                        [1701,416]]
        sh_guess=[7,567] # (img-ref)

    if (label=='10m_d'):
        ref='centre_0.fits'
        img='10m_d_0.fits'
        liste_points = [[1765,1556],
                        [285,1564]]
        sh_guess=[-7,-567] # (img-ref)

    if (label=='test'):
        ref='zero.fits'
        img='test.fits'
        liste_points = [[338,432],
                        [1701,416],
                        [1765,1556],
                        [285,1564]]
        sh_guess=[0,0] # (img-ref)



    return (ref,img,liste_points,sh_guess)