Af calibrated SLOAN r-band image of VW139. North is up, ast is to the left. The antisolar direction is at PA = 65.2°. The image covers a region of 75 000  ×  75 000 km². This is the last image of the series acquired in r, i.e., the one with the near-by bright star at the maximum distance (visible in the E direction). The color look-up table is logarithmic, with black (left side of the color bar) corresponding to Af = 0 and yellow (right side of the bar) to Af = 1 × 10^-7.