ASTEROÏDAL OCCULTATION - REPORT FORM - EAON
EUROPEAN ASTEROÏDAL OCCULTATION NETWORK

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1) date: 2004 / 04 / 23    star: TYC 6119.572    asteroïd: 987 WALLIA
 
2) observer: Bertrand Thooris
                  rijselstraat 88   - 8930 Menen  Belgium
                  bertrand.thooris@astrolab.be 
 
3) observing station:   nearest city  IEPER
                    longitude: 02° 54' 35.9" E
                    latitude  : + 50° 49' 04.8" N
                    altitude  :  41 m                 ( WGS84)
 
4) timing of events:
                start: 23h 19min 45sec UT
                end : 23h 31min 20sec UT        NEGATIVE
 
5) instruments:
                L 200 / 2400mm  -  équatorial - motor yes 
                CCTV - cunoTimer , DCF-77 - monitor TV - vidéo-recorder ( timing insert)
 
6) observing conditions:
                transparency : very good
                stability        :  good
                wind             :  no
                température  :  + 5° C
                global quality:  very good
No comments .......only a perfect sky 
Friendly to all
Bertrand ( THO)