Last updated: 15 October 2002
Subject: Jupiter for lunch.....ETX90RA! Sent: Sunday, October 13, 2002 5:57:21 From: firstname.lastname@example.org (martyn) On friday October the 11th at 12:10h(local) I found Jupiter through the ETX90RA with SP26mm, 42 degrees above the western horizon, under very WINDY conditions. Jupiter culminated today at 09:23h, so at 01:10h it was well past it's highest point. Around the planet the sky was not a deep darkblue due to a slight haze. But Jupiter was immediately VERY apparent when it entered the field of view...it just could not be missed. At 48X the two equatorial belts(SEB and NEB) showed up quite well. A hazy cloud passed in front of Jupiter and the planet stayed visible. Then a dispersed aeroplane vapourtrail spoiled the fun a bit. Through denser parts of the vapour trail Jupiter was sometimes more difficult to track and the SEB and NEB would wash out. But behind the vapourtrail was crystal clear sky so I put in the SP15mm for 83X. Through the lesser dense parts of the vapourtrail the planet was quite well seen, so were the SEB and NEB AND.....the north- and south polardarkenings!!! Just after 01:00h(local) Jupiter entered crystal clear sky and it showed up very well. In moments of better seeing the SEB and NEB were rather crisp and the north- and south polar darkenings were well seen. The SP9.7mm at 129X made the image rather fuzzy, although the NEB and SEB were still detectable. By 01:10h Jupiter had descended to about 33 degrees above the horizon and had became slightly more washed out through the SP15mm, at this time a last quick look through the SP26mm still showed the belts well. I didn't see the North Temperate Belt, nor did I see any moons -48X, 83X and 129X- although they were all nicely lined up west of the planet. Jupiter is an EASY find through the ETX90 in a clear daylight sky and I reckon a shadow transit should be visible in same instrument during the day as well. Well, I enjoyed my lunch, enjoy yours! regards, martyn Observing from the Netherlands
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