ALPO-Japan: Jupiter Section (February 12, 2000)

2000年 2月12日の木星

池村俊彦, B.Colville
T.Ikemura, B.Colville


February 12, 2000(UT)

Summary
B. Colville氏の画像は、池村氏の1自転前の画像です。

STB-SSTB: STBが斜めにシフトしてSSTBに合流する経度です。

SEB: 南組織が濃く、北半分は淡くなっています。SEB南縁には暗斑がいくつか見られます。

EZs White Spot: B.Colville氏の画像のCMと池村氏の画像のCM後方には、1999年10月から継続して観測されているEZs白斑が細長く観測されています。前後に暗斑を伴っています。

NEB: NEBsのFestoonの根元が濃く見え、そのためにNEBが太く感じます。北縁には相変わらず湾入が見えています。

NTB: NTBは1本のベルトとしてみて、NTBsにはjetstreamの暗斑が見えています。


Brian Colville (300mm Schmidt-Cassegrain, Pixcel 237 CCD Camera)
It has been close to 2 months since my last submission. I finally had some free time and clear weather at the same instance last Friday night. The biggest challenge since the new year has been very strong winds and/or very bad seeing on the clear nights, and a frequent number of nights babysitting when observing conditions looked to be good.

February 12 was clear, but there was a fair wind. Seeing was only moderate, maybe 5/10. The best images were obtained with 3x3 binning to keep exposures short through the coloured filters. I managed to get a few images with 2x2 binning in the IR. I have attached the best set of IR, RGB, and LRGB images.

The most prominent feature that I see is the prominent Equatorial Belt, rather irregular, and a bridge of material streaming from the NEB into the EB just preceeding the CM. It (EB) appears to me to be becoming much more prominent. Does anyone have any other comments on this?

Brian

Maple Ridge Observatory
www.quicklinks.on.ca/~maple
maple@quicklinks.on.ca


Toshihiko Ikemura (310mm Newton, Digital still camera NEC Picona)

No.240 2000/02/12 09:53:30(UT)
I=264.4 II=281.0 III=173.8
De=+3.0 Dia=37.29"

(Enhanced by Y.Iga)

310mm Newton(F5)
TeleVue barlow 5x (f/ )
NEC PICONA 1/7sec
5 frames composite


No.241 2000/02/12 09:57:02(UT)
I=266.5 II=283.1 III=175.9
De=+3.0 Dia=37.29"

(Enhanced by Y.Iga)

310mm Newton(F5)
TeleVue barlow 5x (f/ )
NEC PICONA 1/7sec
3 frames composite


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