Belville was in her eighties when she retired and at the age of 86 she was still able to journey about twelve miles from her home and attend at the Observatory by 9 am.
Belville sudah berusia 80 tahunan ketika pensiun dan pada usia 86 tahun ia masih mampu bepergian dua belas mil dari rumahnya dan tiba di Observatorium pada pukul 9 pagi.