VdB 129 (DG 161, theta Aql or Magakian 810) is a reflection nebula in the constellation Aquila. The observation and the imaging of VdB 129 is very difficult due to the close proximity to θ Aquila, with whom the nebula is probably associated physically, although this link is not certain. If the two objects are linked physically, the distance of the cloud becomes almost equal to that of the star, which is about 88 parsecs (187 light-years). θ Aquilae is a blue giant of spectral class B9.5III. Two others bright nebulae are visible on the image: LBN 113 (bottom) and LBN 116 (left).