... The polarimetric data pinpoint the illuminating star, which is not detected directly at wavelengths Й2 km, at a position well within the dark lane that bisects the nebula, 0A 5 .5 (D550 AU) southwest of the infrared peak that was previously detected at the southern tip of the northern polar lobe. ... 531 FIG. ... FIG. ... We have used the position of the polarimetric centroid combined with the vector pattern to determine the direction of the projection of the polar (major) axis of the Egg Nebula. ...