by the Wide Field and Planetary Camera 2 of the NASA/ESA Hubble Space Telescope. The Egg Nebula emits polarized light which can also be detected visually by a medium-sized telescope. Gallery Notes distance × sin ( diameter_angle / 2 ) = 0.2 ly. radius 14.0 apparent magnitude - 5 * (log10(920 pc distance) - 1) = 4.2 absolute magnitude References Hubble Finds Searchlight Beams and Multiple Arcs around a Dying Star. STScI Press release: Space Telescope Science Institute. January 16, 1996. De Ruyter et al. Keplerian discs around post-AGB objects: a common phenomenon? Astronomy & Astrophysics 448, 641–653 (2006). External links Protoplanetary nebulae Cygnus (constellation) Cygni, V1610