Condition:
1999/10/17(UT)
16:48:12(UT) I=176.7 III= 9.7, 10 frames composite
De=-22.4 E.Dia=20.02"
Ring Long dia 45.63" Ring short dia 17.37"
310mm Newtonian(F5)
TeleVue barlow 5x f/30
Digital camera NEC PICONA 1/7sec
Comment:-
seeing was 1/5 ,The worst.
Big change seems to be in Saturn no.
Comment(Japanese):-
シーイングは最悪 １／５
大きな変化は無いようである。
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