ASTEROIDAL OCCULTATION - REPORT FORM

    +------------------------------+  +------------------------------+
    |                EAON          |  |            IOTA/ES           |
    |                              |  |  INTERNATIONAL OCCULTATION   |
    |      EUROPEAN  ASTEROIDAL    |  |       TIMING  ASSOCIATION    |
    |     OCCULTATION NETWORK      |  |          EUROPEAN SECTION    |
    +------------------------------+  +------------------------------+

1 DATE: 2018 October 13                  STAR: TYC 638-00403-1

  ASTEROID: (4746) Doi          

2 OBSERVER: Name:  Gérard VAUDESCAL           Abbr:VDC
            E-mail: gg.vaudescal@free.fr
            Address: 65380 Azereix - France

	    Name:   Dinastro Team             Abbr:
	    E-mail:
	    Address: ASS. DINASTRO


3 OBSERVING STATION: Nearest city: VISKER(65200)
  Station: Observatoire de Biscarmiau
  Latitude:  N 43 08 40.4 (WGS84)
  Longitude: E 00 03 31.8 (WGS84)
  Altitude: 488 m

  Single, OR Double or Multiple station (Specify observer's name): Single

                          +----------------------------------+
4 TIMING OF EVENTS:       |                                  |
                          |  OCCULTATION RECORDED: NEGATIVE  |
                          |                                  |
                          +----------------------------------+
  Type of event
  Start observation   Interrupt-start   Disappearance   Blink   Flash
  End observation     Jnterrupt-end     Reappearance    Other (specify)

                                                  Comments
  Event   Time (UT)   	 Acc.   
  Code   HH MM SS.ss  	 S.ss
  
    S  - 00:09:48.89     	on frame n°8   (correction Gerhard Dangl)
    D  -   		 +/-
    R  - 		 +/-
    E  - 00:10:48.01 	        on frame n°747		  "
  
  Duration : 			 Mid-event : 

  Was your reaction time applied to the above timings? NO

5 TELESCOPE: Type: NEWTON     Aperture: 1188/305 mm  (F/D= 3.9)    Magnification: Optical focus 
             Mount: Equatorial          Motor drive: YES

6 TIMING & RECORDING: 
  Time source: GPS 1 PPS 
  Sensor: CAMERA WATEC 910HX/RC CCIR -  integrated Shutter Low x4 (0,08 sec/fr) - Gamma 1 -     Gain 40dB
  Recording: OccuRec V 3.2.0 Beta and Grabber Lindy USB2 - mode AAV - Intégration rate x2
  Time  insertion (specify):IOTA VTI V3 (CCIR)
  Event insertion (specify): PC-Windows7

7 OBSERVING CONDITIONS: CLEAR SKY      Wind: 0 ms       Temperature: 15 °C
  Star image stability: 1.5 arcsec        Minor planet visible: N0

8 ADDITIONAL COMMENTS: Reduction with TANGRA 3.6.17