ASTEROIDAL  OCCULTATION - REPORT FORM - EAON
EUROPEAN  ASTEROIDAL  OCCULTATION  NETWORK 

1) date: 2005 october 11    star: TYC 1831.1958    asteroid: 712  BOLIVIANA
 
2) observer: Bertrand Thooris ( THO )
                    rijselstraat , 88  
                    B - 8930  Menen
                    ( 0032 ) 56 530 073    bertrand.thooris@astrolab.be 
 
3) observation Station:     nearest city : IEPER
                    Observatoire ASTROLAB-IRIS II  , palingbeek.
                    longitude: 02°  54'  35.9"  E
                    latitude   : +50°  49'  04.8"  N
                    altitude   :   41m                   ( WGS84 )
 
4) timing of events:   Start :  22h 45min 37sec UT
                                 End  :  23h 14min 40sec UT          NEGATIVE ---> (comments)
 
5) instruments:   L 200 / 2400mm     eyepiece : Nagler 9mm
                          equatorial : YES     motor : YES                VISUAL  
 
6) timing - recording : DCF-77 bip sonore / tape-recorder / chrono 1/100.
 
7) conditions:  Transparency : very good
                        Stability        :   good
                        wind   :    ~ 2 beaufort
                        température :   14° C         Minor planet :  VISIBLE
                 Global Quality :  very good
 
8) comments :   
  Start observation ( 22h 45min 37sec UT ) target star Visible But NOT the minor planet ......! .
  Around   23h 01min , the target star appear like a OVAL .
      "        23h 05min , a little Séparation visible.
      "        23h 10min , the séparation are plainly Visible .
  End Observation ( 23h 14min 40sec UT ) - estimation Position of Minor planet :
                P.A =  125°     S.A = 12" from target star.
    magnitude limite extrème :  star GSC 1831.483  ( 12.98 ) .
------possible  +  around 22h 55min UT ( schotland - denmark ...) ??? -------
 
    Friendly to all    ( and ,sorry for my poor englisch )
    Bertrand Thooris