126″ × 126″ FOV images of 2015 DD₃₄₉ (at center), where north is up and east is left. In both images, 2015 DD₃₄₉ has a diffuse tail between the anti-motion (red-outlined black arrow) and anti-solar (yellow arrow) directions, indicated by the white arrows. (a) UT 2015 Febuary 17, 86 s r-band DECam image (Prop. ID: 2015A-0608, PI: F. Forster). (b) UT 2015 March 22, 200 s i-band Hyper Suprime-Cam image from the 8.2 m Subaru telescope (Prop. ID: o15406, Observer: Huang).