1999/11/14(UT) 13:43:38(UT) I=311.4 III=290.5, 7 frames composite De=-21.7 E.Dia=20.14" Ring Long dia 45.91" Ring short dia 16.96" 310mm Newtonian(F5) TeleVue barlow 3x f/20 Digital camera NEC PICONA 1/7sec
De=-21.7 E.Dia=20.14" Ring Long dia 45.91" Ring short dia 16.96" 310mm Newtonian(F5) TeleVue barlow 3x f/20 Digital camera NEC PICONA 1/7sec