Column density maps of the H cloud. The contours in the three-panel figure are at A_V =  { 7,40 }  mag. The color scale is given in units of visual extinction, A_V (black numbers), and mass surface density, Σ (red numbers). Top: the map based only on NIR data (Kainulainen et al. 2011a). Middle: the map based only on 8 um data (BT12). Bottom: the map based on combined NIR and MIR data. The standard deviation of column density values in a region about  ~10′ distance from the cloud where A_V < 2 mag is σ(A_V) = 1.4 mag. The maximum values in the map are A_V ≈ 140 mag. The separate panel at the bottom shows a blow-up of the combined extinction map. The contours are at A_V =  { 7,n × 10 }  mag.