Seiichi Yoneyama (200mm Newton, Digital still camera NEC Picona) |
17:08:08(UT) I=298.0 III=240.6
18:35:44(UT) I=349.4 III=289.9
De=-23.1 E.Dia=18.46"
Ring Long Dia=42.08" Ring Short Dia=16.53"
Enhanced by Y.Iga
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1999/08/21 18:17:26(UT) I=338.6 III=279.6 De=-23.1 E.Dia=18.46" Ring Long Dia=42.08" Ring Short Dia=16.53" | 200mm Newton(F8), TeleVue barlow 3x (f/24), 2 deg. prism NEC PICONA 1/7sec, 3 frames composite Seeing:8/10 Transp:9/10 Enhanced by Y.Iga |