ASTEROÏDAL OCCULTATION - REPORT FORM - EAON
EUROPEAN  ASTEROÏDAL  OCCULTATION  NETWORK

1) date: 2005 / déc / 19    star: TYC 634.722    astéroid: 397 VIENNA
 
2) observer:    Bertrand Thooris        ( THO )
                    rijselstraat , 88
                    B - 8930  Menen 
                    bertrand.thooris@astrolab.be 
 
3) station:  Observatoire ASTROLAB-IRIS  II , Palingbeek
                nearest city : IEPER
                longitude:    02° 54' 35.9" E
                latitude:     +50° 49' 04.8" N
                altitude:        41 m                 GPS:  WGS84
 
4) timing of events:    START : 20h 03min 34sec UT
                                     END : 20h 38min 25sec UT             NEGATIVE
 
5) instruments:    L 200 / 2400mm    équatorial    motor-YES
                            eyepiece : Nagler 9mm
 
6) timing of recording:    DCF-77 (bips) - stopwacht 1/100 - Tape-recorder 
                                        VISUAL 
 
7) conditions:    transparency: good to very good
                         stability :        very good  ( antoniadi' scale : 1 )
                         wind :         non
                         température :  + 4°C  
                         global  quality :  good            minor planet : NO VISIBLE
 
8) comments:    At last ! a good condition and nice evening .....
        Merry Christmas  and  Happy Newjear 2006  to ALL .
    Bertrand