Deconvolved jet width (upper panel) and intrinsic jet opening angle (lower panel) as a function of deprojected distance from the central binary on the approaching and receding sides of SS 433, derived from 1995 and 1998 datasets. The lower horizontal axis shows the deprojected distance in mas, while the upper horizontal axis shows the corresponding distance in centimeters, adopting a source distance of 5.5 kpc (K. M. Blundell & M. G. Bowler 2004). The jet viewing angle in both epochs is derived to be ∼57^∘ (see Section 3.2). The gray solid line shows the best power-law fit, with the shaded region indicating the 1σ confidence interval.