Crosscuts along the planes XY, XZ, and YZ in the L19 3D dust extinction map. The Sun is at the center. The X axis points from the Sun to the Galactic center at Galactic longitude l = 0°, the Y axis points towards l = 90° and the Z axis points to the North Galactic pole. The Galactic center is to the right in the left and middle panels and back to the reader in the right panel. The color scale shows , where is the differential extinction, in units of magnitude per parsec.