ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE (2019/02/12):      STAR: UCAC4-532-049719 (9.5 mag.)     ASTEROID:  Dulcinea    N°: 571

2 OBSERVER: Name:   Marek Zawilski              EAON Abbr:

3 OBSERVING STATION: Nearest city: Lodz
  Station: planetarium and observatory
  Longitude (DD MM SS.s): 19 27 33.4 E
  Latitude  (DD MM SS.s): 51 46 41.3 N
  Altitude (m): 225
  Datum (WGS84 preferred): WGS84

  Single, OR Double or Multiple station (Specify observer's name): Single station, Marek Zawilski & Remigiusz Jablonski

                         +----------------------------+
4 TIMING OF EVENTS:      |                            |
                         |  EVENT REPORTED: NEGATIVE  |
                         |                            |
                         +----------------------------+
  
  Event code
  S: observation Start   I: Interruption start
  D: Disappearance       J: Interruption end
  R: Reappearance        B: Blink   F: Flash
  E: observation End     O: Other (specify)
  
  Abbreviations
  P.E.: Personal Equation = reaction time (for visual obs)
  Acc.: Accuracy (overall accuracy of the given time)
  
                                                  Comments
  Event   Time (UT)    P.E.   Acc.   
  Code   HH:MM:SS.ss   S.ss   S.ss
  
    S  -             20:19:28             since 20:17 the star observed on the screen continously
       -             -      -      :
    D  -             -      -      :
    R  -             -      -      :
       -             -      -      :
    E  -             20:30:13
  
                          Duration :  none
                         Mid-event :  predicted around 20:20:30 UT

  Was your reaction time applied to the above timings? not relevant

5 TELESCOPE: 
Type:   Celestron Cassegrain        
Aperture: 203 mm       
Magnification: prime focus with focal length 2032 mm reduced to 1016 mm
Mount: CGEM         
Motor drive: yes

6 TIMING & RECORDING:
  Time source: NTP using Dimension4 software, synchronized with the Warsaw GUM1 time server, checked accuracy 0.01s
  Sensor: ZWO ASI 120MM camera, integration time 0.05s
  Recording: ASICAP v.1.5 software
  Time  insertion (specify): ASICAP timestamp
  Event insertion (specify):

7 OBSERVING CONDITIONS:
  Atmospheric transparency:  very good    Wind:  no   Temperature: about 0 Celsius
  Star image stability: good         Minor planet visible: no

8 ADDITIONAL COMMENTS: 
No rapid event recorded despite the location INSIDE the predicted occultation path, about 2 km from the central line.