> From dpeach_78@yahoo.co.uk Sat Dec 14 15:12 MST 2002 From: "Damian Peach" Subject: Jupiter Images (Dec 14th, 2002.) Date: Sat, 14 Dec 2002 22:12:19 -0000 Hi all, Here are some Jupiter images from early this morning. After torrential rain, causing flooding the day before (everything survived intact, though part of the motorway didnt!) seeing conditions were again excellent. The GRS area with SSTC ovals were presented. there doesnt seem any immediate sign of any collisions at the moment, but of far more interest is the NTB fade continues, progressing toward the GRS longitudes. Note a long white rift runs along the NTB, with a faint NTBs component, appearing redish. Visually, the array of SSTC ovals were followed easily, and the very faint NTBs component seen. Best Wishes Damian ******************************************************************* Damian Peach. 28=B002 N, 16=B037 W. ALPO/BAA Jupiter Sections. BAA Saturn Section. E-mail: dpeach_78@yahoo.co.uk Homepage: http://www.the-planets.co.uk/tpo/ ******************************************************************* BAA Saturn Section:=20 http://uk.geocities.com/dpeach_78/sat/ BAA Jupiter Section: http://uk.geocities.com/dpeach_78/jup/ ******************************************************************* JUPITER IMAGES, DECEMBER 14th, 2002 D. A. Peach, Costa del Silencio, Tenerife, Canary Isl. 11" (28 cm) Celestron SCT @ f/25.2 (0.29"/pixel.) SBIG ST-5c camera. SBIG RGB Filter set. Total Exposure Times: Integrated Light: ~46 x 0.25 secs R/G/B + IR Rejection: 6 x 0.50-0.90 secs Seeing again excellent (p8-10) - post rain storms. Transparency variable/poor with thick high cirrus, and low clouds = (clouded - 2.0mag.) Wind NE (5mph.) No dew. Equatorial Diam=3D41.9" Altitude=3D 75 degs. > From dpeach_78@yahoo.co.uk Tue Dec 17 11:05 MST 2002 From: "Damian Peach" To: "Ed Grafton" Subject: NTB fade structure. Date: Tue, 17 Dec 2002 15:58:39 -0000 Hi Ed, Many thanks for the excellent shots. The NTB structure f. the GRS is interesting, and it seems to be composed of the following: 1. Thin redish North Tropical Band - probably a remenant of the receding of the NEBn edge at these longitudes earlier this year. 2. A very fine NTBs, showing a slight orange colouration - note this is the fastest moving jetstream on the entire Planet, with features generally drifting anywhere between: Current D (-150 deg/month) Current C (-60 deg/month) and Current B (+100 deg/month.) All vs System I. 3. The centre of the belt appears bright, deviod of dark material. Note the p. edge of this bright area located just above NEBn B4. Its position hasnt changed between my Dec 14th and your Dec 15th images. 4. The NTBn appears a very faint, fine belt To date the only images showing this fine structure are my own from Dec 14th, and your latest Dec 15th image. My Dec 15th shots of the BA area show the NTB more normal in appearance, with the described structure absent. See attached image. Its definatly worth keeping a close eye on this area (and the rest of the NTB) to see if it also fades in this manner. Best Wishes Damian