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Damian Peach (305mm SCT, Drawing)
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SATURN OBSERVATION, AUGUST 15th, 2000.
D.A. Peach, Kings Lynn, Norfolk, UK.
12" (30.5cm) Meade SCT.
Magnification: 406X.
Filters: No Filters.
Seeing initially poor-fair (4-5), but improved later
excellent (8-10.) Excellent seeing occured after clouds cleared.
Transparency initially very varibale, with
frequent low clouds (cloud - 5.0mag.) Improved later.
Wind SW (5-10mph.) Light -moderate dew.
Observation comments:-
Seeing was i think just marginally better than during the second Jupiter observation. The now familiar Blue/grey Polar cap was noted, as was the grey SSTB. The STrZ appeared brighter, with a thinner streak toward the CM. This region appeared yellow, with a hint of green. The SEBs was well defined, but not as dark as the SEBn. The EB appeared greyish also and tantalizing hints of turbluence were noted, both in the EB and SEBs.
The rings appeared sharply defined, and where the Cassini Division crosses the globe (0.25") was always visible. The Keeler gap again noted at the f. ansa appeared several times. It was noted slightly further around the ansa on this occasion than Aug 2nd. I still didnt note it at the p. ansa of Ring A. The f. ansa of Ring A also appeared rather dimmer than the p. ansa. Ring B appeared brighter, with its inner edges appearing dusky. Ring C appeared greyish.
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Yoshinori Kawahara (250mm Cassegrain, Digital still camera NEC PICONA)
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Condition:
2000/08/15 16:41:36(UT)
I= 15.4 III=136.5
De=-26.7 E.Dia=17.97"
Ring Long dia 40.96" Ring short dia 18.38"
250mm Cassegrain, barlow 3x(f/25)
NEC PICONA 1/7sec, 10 frames composite
土星＝木星が気になるので時間的に不利
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Masahito Niikawa (280mm Schmidt-Cassegrain, Digital Camera Minlta Dimage EX1500)
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2000/08/15 18:06:40 (UT) CMI = 65.3, CMIII = 184.4 23 frames composite
2000/08/15 18:13:29 (UT) CMI = 69.3, CMIII = 188.2 18 frames composite
2000/08/15 18:22:36 (UT) CMI = 74.7, CMIII = 193.3 22 frames composite
Condition:-
Telescope : C11 (SC) D=280mm fl=2800mm
Camera :Minolta DimageEx1500 Digital Camera taking lens removed
Effective F No.: 27 (XP24mm Eyepiece Projection)
Filter: R60 (Imaging Band 600nm-1000nm)
Obs.site : Mozuhonmachi Sakai-City Osaka Japan
Exposure : 1/4 sec
Analog gain: 6dB
Seeing = 9/10
Transarency = 3/6
Comment:-
土星は、例のＡリングの空隙が見えている様ですが、本物かどうかは、見る人の判断にお任せします。
ＳＥＢ〜ＳＴＢのあたりが、昨シーズンに比べると明らかに変化しているようです。
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Kazuyoshi Maeda (350mm Newton, Digital Still Camera NEC PICONA)
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Condition:
2000/08/15 19:17:49(UT)
I=107.0 III=224.4
350mm Newtonian(F5) Or-A9mm(f/26.9)
NEC PICONA 1/7sec 18 frames composite
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Toshihiko Ikemura (310mm Newton, Digital still camera NEC PICONA)
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Condition:
2000/08/15 19:42:12(UT)
I=121.3 III=238.1
De=-26.7 E.Dia=17.97"
Ring Long dia 40.97" Ring short dia 18.38"
310mm Newtonian(F5) TeleVue barlow 5x(f/33)
NEC PICONA 1/7sec 2 deg. prism 14 frames composite
Comment(Japanese)-
南極付近に白雲のようなものがあるようです。
Comment(English)- A thing such as the white cloud seems to be in South Pole adjacent area.
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