ASTEROIDAL OCCULTATION - REPORT FORM

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

 1 DATE: 12 August 2020                             STAR: UCAC4 382-114178 

  ASTEROID: Pia                                       No: 614

 2 OBSERVERS: 
  Name      : Wojciech Burzynski                    Abrr: BZY
  E-mail    : wburzynski@poczta.onet.pl
  Address   : 15-345 Bialystok, Poland

 3 OBSERVING STATION: 
  Nearest city : Suprasl
  Station      : Lipowy Most                 Acc.
  Latitude     : 53 12 31.5 N            -   0.1"
  Longitude    : 23 31 37.9 E            -   0.1"
  Altitude     : 145 MSL                 -   1 m

  Datum (WGS84 preferred): WGS84

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

 4 TIMING OF EVENTS:  
  +----------------------------------------------+
  |       OCCULTATION RECORDED: UNCERTAIN        |
  +----------------------------------------------+
  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 - 21:47:12.49         +/- 0.01
  D - 21:48:27.54         +/- 0.50
  R - 21:48:29.54         +/- 0.50
  E - 21:49:29.58         +/- 0.01 

  Duration -  2.00        +/- 0.71

  Predicted max. duration (secs) : 4.5
  Predicted max. drop (mag)      : 2.7
  Predicted mid-event (UT)       : 21:48:31.0
  Predicted error in time (secs) : 7 

  Was your reaction time applied to the above timings? - not relevant, D-VTI recording
  
 5 TELESCOPE: 
  Type        : SCT  f/10                             Aperture   : 200 mm
  Focal length: 2000 mm                               FOV        : 16.8'x 10.5'
  Mount       : azimuthal                             Motor drive: yes

 6 TIMING & RECORDING:
  Time source      : GPS 1PPS  
  Sensor           : QHY 174M GPS, CMOS cooled camera
  Mode of recording: 1920x1200, 12 bit SER, Amp Noise Reduction=On, Gain=480, USB Traffic=50, Contrast=0, Brightness=0, Gamma=1
                     Calibration Start Pos Adjust=46690, Calibration End Pos Adjust=75046448
  Shutter          : 1.00063 s
  Recording        : Laptop Dell Latitiude 3540 (Intel Core i5/RAM 8 GB/SSD 128 GB)
  Recording        : SharpCap 3.2.6248.0

 7 OBSERVING CONDITIONS: 
  Atmospheric transparency          : good 
  Wind  (m/s)                       : 2
  Temperature (deg C / humid.)      : 10 / 80
  Star image stability              : good 
  Minor planet visible              : no
  Local conditions (degree)         : star altitude: 17, sun altitude: -22 
  Local moon conditions (degree)    : moon altitude: 3 NE, moon distance: 145

 8 ADDITIONAL COMMENTS:
  Observed star                           : UCAC4 382-114178
  Star magnitude (mag)                    : 13.1
  Minor planet magnitude (mag)            : 15.7
  Feed                                    : IBEROC, last updated Aug 5, 2020
  Rank                                    : 43
  Distance (km)                           : 9 km outside the shadow path, in the 1-sigma zone
  Shadow width (km)                       : 37
  Predicted probability OccultWatcher (%) : 22.5
  Predicted combined magnitude (mag)      : 13.0 
  Faintest star on AVI (mag)              : 15.2
  Evaluation with Tangra 3.7.0 and AOTA 4.10.6.0

  9 REMARKS: 1 sec. integration