Observational results for eight long-period comets observed far from the Sun. - Epifani, E. Mazzotta; Perna, D.; Di Fabrizio, L.; Dall'Ora, M.; Palumbo, P.; Snodgrass, C.; Licandro, J.; Corte, V. Della; Tozzi, G. P. (Astronomy & Astrophysics / Astronomie et Astrophysique, 2014)