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Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Camera Minlta Dimage EX1500)
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Condition:-
Telescope : C11 (SC) D=280mm fl=2800mm
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
Effective F No.: 25 (XP24mm Eyepiece Projection)
Filter: IR cut & Low-pass built-in the camera
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1/3 sec
Analog gain: 6dB
Seeing = 5/10
Transarency = 3/6
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Kazuyoshi Maeda (350mm Newton, Digital Still Camera NEC PICONA)
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Condition:
2000/08/05 18:53:37(UT)
I=289.7 III= 22.7
350mm Newtonian(F5) Or-A9mm(f/25.0)
NEC PICONA 1/7sec 15 frames composite
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Toshihiko Ikemrua (310mm Newton, Digital still camera NEC PICONA)
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Condition:
2000/08/05 18:54:20(UT)
I=290.1 III= 23.1
De=-26.6 E.Dia=17.66"
Ring Long dia 40.26" Ring short dia 18.02"
310mm Newtonian(F5) TeleVue barlow 3x(f/27)
NEC PICONA 1/7sec 0.5 deg. prism 11 frames composite
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