Coba jelasin Catatan dari Menzel 3 dong

^ 8,000 ly distance × sin( >50″ diameter_angle / 2 ) = 1.0 ly. radius

^ 13.8 apparent magnitude – 5 * (log10(2,500 pc distance) – 1) = 1.8 absolute magnitude

^ Mz 3 has several components with varying degrees of collimation. It also has an unusual spectrum. Together, these entitle it to the nickname of "The Chamber of Horrors" of planetary nebulae as given by Evans in 1959.