ASTEROIDAL OCCULTATION - REPORT FORM

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

 1 DATE:  11 November 2021                       STAR: UCAC4 616-007599

  ASTEROID: 2002 TC302                             No: 84522

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

 3 OBSERVING STATION: 
  Nearest city : Poznan
  Station      : Borowiec          IAU obs code: 187
  Latitude     : 52 16 36.8 N   
  Longitude    : 17 04 30.8 E   
  Altitude     : 123 MSL

  Datum (WGS84 preferred): WGS84

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

 4 TIMING OF EVENTS:  
  +----------------------------------------------+
  |       OCCULTATION RECORDED: NEGATIVE         |
  +----------------------------------------------+
  Type of event:
 "S"tart observation   "I"nterrupt-start   "D"isappearance   "B"link   "F"lash
 "E"nd observation     "J"nterrupt-end     "R"eappearance    "O"ther (specify)

  Event   Time (UT)    P.E.   Acc.   
  Code   HH MM SS.ss   S.ss   S.ss
  
  S  - 02:46:25.91   -    - 0.01
  I  - 02:47:58.01   -    - 0.01
  J  - 02:48:06.56   -    - 0.01
  I  - 02:49:16.70   -    - 0.01
  J  - 02:50:30.02   -    - 0.01
  I  - 02:50:53.80   -    - 0.01
  J  - 02:50:55.03   -    - 0.01
  D  -   -   -    -  -
  R  -   -   -    -  -
  I  - 02:52:47.26   -    - 0.01
  J  - 02:52:48.49   -    - 0.01
  I  - 02:52:50.31   -    - 0.01
  J  - 02:52:56.42   -    - 0.01
  E  - 02:54:57.81   -    - 0.01 
 
                         Duration :    -
                         Mid-event :   -
  
  Was your reaction time applied to the above timings? - not applicable.
  
 5 TELESCOPE: 
  Type        : Newton  f/4.5                          Aperture   : 400 mm
  Focal length: 1800 mm                                FOV        : 27'x 30'
  Mount       : paralactic                             Motor drive: no

 6 TIMING & RECORDING:
  Time source      : GPS++
  Sensor           : Andor Zyla 5.5 camera with sCMOS sensor
  Mode of recording: Binning 2x2, Image size: Full
  Shutter (SENS-UP): Electronic
  Recording        : Personal Computer
  Recording        : Own software
  Time insertion   : Start exposure times inserted into FITS headers with own software

 7 OBSERVING CONDITIONS: 
  Atmospheric transparency          : mediocre 
  Wind  (km/h)                      : none
  Temperature (deg C / humid.)      : +3 deg C / 96%
  Star image stability              : good
  Minor planet visible              : no
  Local conditions (degree)         : star height: 38, Sun height: -30, 
  Local moon conditions (degree)    : Moon height: below horizon

 8 ADDITIONAL COMMENTS:
  Star magnitude                          : 11.7
  Minor planet magnitude                  : 20.4
  Feed                                    : Lucky Star
  Distance (km)                           : 1293 km
  Faintest star on CCD (mag)              : 12.6
  Exposure time				  :  0.6 s 
  Readout time				  :  0.01 s

  Predicted max. duration (secs) : 19.2 
  Predicted max. drop (mag)      :  8.7
  Predicted mid-event (UT)       : 02:51:24
  Predicted error in time (secs) : 41
  Probability			 :  6.8 %
  A break for 1m14s due to camera buffer jam. Observations recommenced 1min before the predicted event time. 
  Other short breaks of 7s and 6s for field corrections, 3min before and 1.5min after the predicted time.