ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE (2022/08/04):      STAR: UCAC4 335-091459    COMET: 337P/WISE

2 OBSERVER: Name: Anna Marciniak                EAON Abbr:
  Address   : Astronomical Observatory Institute, A. Mickiewicz University, Sloneczna 36, Poznan, Poland

3 OBSERVING STATION: Nearest city: Legionowo (Poland)
  Nearest city : Poznan
  Station      : Chalin          IAU obs code: -
  Latitude     : 52 36 14.0 N   
  Longitude    : 16 02 33.4 E   
  Altitude     : 123 MSL

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


                         +----------------------------+
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)
  Unc.: Uncertainty (global uncertainty on the given time)
  
                                                  Comments: Observed a miss
  Event   Time (UT)    P.E.   Unc.   
  Code   HH:MM:SS.ss   S.ss   S.ss
  
     S  -20:32:28.9  -      -      :
     E  -20:34:13.4  -      -      :

  Was your reaction time applied to the above timings?

5 TELESCOPE: 
  Type        : Cassegrain f/5.3                       Aperture   : 350 mm
  Focal length: 1855 mm                                FOV        : 19'x 21'
  Mount       : altazimuth                             Motor drive: yes

 6 TIMING & RECORDING:
  Time source      : GPS++
  Sensor           : Andor Zyla 5.5 camera with sCMOS sensor
  Mode of recording: Binning 4x4, Image size: Full
  Shutter (SENS-UP): Electronic, Global
  Recording        : Personal Computer
  Recording        : Own software
  Time insertion   : Start exposure times inserted into FITS headers with own software

 8 ADDITIONAL COMMENTS:
  Star magnitude                          : 12.2
  Comet magnitude                         : 19.4
  Feed                                    : CometOcc
  Distance (km)                           : 63 km
  Faintest star on CCD (mag)              : 14.2
  Exposure time				  : 0.40 s 
  Readout time				  : 0.01 s

  Predicted max. duration (secs) : 3.0
  Predicted max. drop (mag)      : 7.0
  Predicted mid-event (UT)       : 20:33:10
  Probability			 : 13 %
  Sun altitude: -13 deg
  Comet altitude: 12 deg
  Moon distance: 43 deg
  Moon illumination: +43 %


Photometry software used: Tangra3
Data reductions by Wojciech Burzyński.