Velocity fields with H i column density contours of AGC 249525 (left) and AGC 229326 (right) at 210′′ (top) and 105′′ (bottom) resolution. AGC 249525 is representative of the potential galaxy candidates and AGC 229326 of the likely Galactic halo clouds. The column density contours for AGC 249525 for the 210′′ and 105′′ data are [4, 6, 8, 15, 25, 35] and [9, 15, 20, 30, 40 ] × 10¹⁸ atoms cm^-2. For AGC 229326 the column density levels are [2.5, 3.5, 5, 6] and [7, 9, 10 ] × 10¹⁸ atoms cm^-2.