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KPNO Plans for Comet-Jupiter Collision (1Sep93) (from KPNO, NOAO Newsletter No. 35, 1 September 1993) The expected collision of comet Shoemaker-Levy (1993e) with Jupiter on 21.5 July 1994 is expected to present rare and unusual opportunities to ground-based observers even though the impact sites themselves will not be directly observable from the earth. Passage of the fragments and dust of the already disrupted nucleus through the magnetosphere followed by a series of impacts into the atmosphere of the planet are expected to cause significant changes on a range of timescales that will yield new information on magnetospheric processes, atmospheric chemistry and dynamics, comet nucleus structure and chemistry. Normally the facilities at KPNO are closed during the summer months for engineering and maintenance tasks. However, because of the uniqueness of this event we are planning to make a selection of KPNO facilities available for a short time period around the time of the collisions. These plans will be announced at a later time, probably October-November, after the range of observing possibilities becomes clearer. Observers who are interested in competing for time on KPNO facilities to observe this event are invited to contact Mike Belton at KPNO (belton@noao.edu) who will coordinate this effort. Mike Belton, George Jacoby
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