Condition:
1999/09/09(UT)
No.1 16:51:58(UT) I=131.7 III=157.9, 4 frames composite
No.2 16:59:18(UT) I=136.0 III=162.1, 6 frames composite
No.3 17:02:00(UT) I=137.6 III=163.6, 6 frames composite
No.4 17:11:14(UT) I=143.0 III=168.8, 6 frames composite
De=-23.0 E.Dia=19.08"
Ring Long dia 43.50" Ring short dia 17.02"
310mm Newtonian(F5)
TeleVue barlow 5x f/35, 1 deg. prism,
Digital camera NEC PICONA 1/7sec
|