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Comet 135P/SHOEMAKER-LEVY

Photometric data obtained by use of FOCAS-II software

                                    10x10  20x20  30x30  40x40  50x50  60x60   SNR   SB   COD

COMET         UTC                    +/-    +/-    +/-    +/-    +/-    +/-     N  FWHM  CAT

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                                                                     AFRHO         LOG

COMET         UTC                   DELTA    r    BOX "   MAG   RSR    CM    +/-  AFRHO  OBS

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135P on Kronk’s cometography

Discovery:

    This comet was discovered by Carolyn S. and Eugene M. Shoemaker and David H. Levy on photographic plates exposed with the 0.46-m Schmidt telescope at Palomar Observatory on 1992 April 5. The magnitude was determined as 17.0 and there was possibly a very faint tail towards the west. This team obtained confirming images on April 7 and 8.

     A few days after the discovery announcement, A. Savage (Siding Spring, Australia) found a prediscovery image obtained on a plate exposed with the 1.2-m U.K. Schmidt on March 30. It revealed a tail extending 30 arc seconds to the northwest.

Recovery

This comet was recovered on 1998 January 22 by C. W. Hergenrother. He was using the Smithsonian Astrophysical Observatory's 1.2-m reflector at Mt. Hopkins. The magnitude was given as between 21.7 and 22.0. The precise positions indicated the prediction required a correction of +0.03 day. Hergenrother confirmed the comet with the Lunar and Planetary Laboratory's 1.5-m reflector at the Catalina station on January 28. He said the coma appeared moderately diffuse and 5 arc seconds across.