Maffei 1 dị naanị 0.55 ° site na mbara igwe galactic n'etiti mpaghara nke izere ma na-ata ahụhụ site na ihe dịka 4.7 magnitudes nke mkpochapu (ihe dị ka 1/70) na ìhè a na-ahụ anya. Na mgbakwunye na mkpochapu, nchọpụta nke Maffei 1 na-egbochi ya site n'eziokwu na ọ na-ekpuchi ọtụtụ kpakpando Milky Way na-adịghị ike, nke nwere ike ịdị mfe na-enwe mgbagwoju anya na nke ya. N'ihi ya, ịchọpụta ebe dị anya ya siri ike. Na 1971, n'oge na-adịghị anya mgbe nchọpụta ya gasịrị, Hyron Spinrad mere atụmatụ na ebe dị anya na Maffei 1 dị ihe dị ka 1 Mpc, nke ga-etinye ya n'ime mpaghara mpaghara nke ụyọkọ kpakpando. Na 1983, a gbanwere atụmatụ a ruo 2.11.3 + 0.8 Mpc site n'aka Ronald B. McCall na Marshall site na iji mkpochapụ n'ozuzu n'etiti luminos na mkpo ọkụ elliptical maka ụyọkọ kpakpando.
Afọ 1971