Top: composite g′ + r′ MegaCam image of NGC 4203 with the dust lanes superimposed in red. The dust lanes are obtained by summing the residual g′ + r′ images after a galaxy model subtraction (see Section 2.3). This image also shows the disrupted companion dwarf galaxy at the east of the galaxy. Bottom: MegaCam g′-band image of the disrupted companion dwarf galaxy and residual map of NGC 4203. It exhibits a possible faint tail east of our galaxy which is the same direction as the two tidal tails of the companion dwarf (see Section 3.1). The white bar shows a length of 1 arcmin.
(Yildiz et al.2015)