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Дата изменения: Wed Sep 28 12:27:10 2005 Дата индексирования: Tue Oct 2 04:08:25 2012 Кодировка: |
From: TerryMoselaol.com Date: Tue, 27 Sep 2005 20:19:35 EDT Subject: Eclipse, Victor Meldrew Impressions Hi all, 1. ECLIPSE. In case you have forgotten, there's a large partial eclipse of the Sun on Tuesday morning, 3 October. It's annular in Iberia and North Africa, but if you haven't already booked flights or accommodation to see annularity there, it's probably a bit late! I attach a copy of my article on the eclipse from STARDUST magazine (RTF format, for safety): there's also a much better illustrated article by yours truly in the October issue of the BBC Sky at Night Magazine, and there are of course articles in the other UK/Ireland astronomy magazines. The IAA intends to mount a public 'eclipse-watch' in Botanic Gardens (where we observed the Transit of Venus) that morning - if you can go there, and bring a suitable telescope and/or projection system, please let me know asap. More details later. 2. ASTEROID OCCULTATION. I drove to a nice dark off-road site, about 5 km West of Kilrea, right on the centre line, for the occultation by 565 Marbachia earlier this evening.The forecast was quite good, and so was the twilight sky. I set up the telescope (127mm Maksutov-Cassegrain), plus the big 30x80 binocs on a tripod just in case, and a big telephoto lens on an SLR with 1600 ISO film. Twenty minutes to go - starfield identified; dictaphone taped to the top of the tripod, stopwatch checked, all looking good. Ten minutes to go - sky dark & 95% clear. Mobile phone switched to silent. Five minutes to go - all last minute checks OK. Sky clear & dark, target star easy to see. Four minutes to go - ready to switch on tape recorder. Three minutes to go - final check on the field in the telephoto: all OK. Back to the eyepiece - no stars! A medium-sized patch of cloud had suddenly come up above the trees from the SW! - "I don't believe it!" Sky elsewhere is still clear - which way is the cloud moving? How big is that patch? Then it started to rain - not much, but big spots. Still totally cloudy in the event direction. "I DON'T BELIEVE IT!" Tilt telecope down to protect the optics, then get the tube cap on. Cover binocs & tele lens. "I REALLY DON'T BELIEVE THIS!!!" Three minutes later: the sky starts to clear where the star is, and the last drops of rain peter out. But I've moved the telescope in both RA & Declination in tilting it and capping it, and I can't find the starfield! Two minutes after the event - I've found the star again, but too late. "I JUST DON'T BELEEEEVE IT!" That must be my unluckiest observation attempt in all my long years of observing! I tried to console myself with some star trail photos, but it didn't really work! Did anyone else see it? Clear skies (Ha!) Terry Moseley
Last Revised: 2005 September 28th
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