DomeFlatFrame divided by pixel-to-pixel gain y=::4, x=::4
OCAM_g_SDSS DomeFlatFrame divided by gain.OCAM_i_SDSS DomeFlatFrame divided by gain.OCAM_r_SDSS DomeFlatFrame divided by gain.OCAM_u_SDSS DomeFlatFrame divided by gain.OCAM_z_SDSS DomeFlatFrame divided by gain.Pixel-to-pixel gain.
