ASTEROIDAL OCCULTATION - REPORT FORM

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

 1 DATE: 09 May 2019                                STAR: UCAC4 376-155091  

  ASTEROID: Penelope                                  No: 201

 2 OBSERVERS: 
 
  Name      : Maciej Jarmoc                          Abrr: 
  Address   : 16-001 Ignatki, Poland

 3 OBSERVING STATION: 
  Nearest city : Bialystok
  Station      : Ignatki          Acc.
  Latitude     : 53 04 07.7 N   - 0.1"
  Longitude    : 23 06 05.0 E   - 0.1"
  Altitude     : 144 MSL

  Datum (WGS84 preferred): WGS84

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

 4 TIMING OF EVENTS:  
  +----------------------------------------------+
  |       OCCULTATION RECORDED: POSITIVE         |
  +----------------------------------------------+
  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  - 01:12:01.0   -    - 
  D  - 01:16:14.63  -    - 0.64
  R  - 01:16:32.92  -    - 1.16
  E  - 01:18:00.0   -    -  
 
  Measered duration (secs)  :  18.29
  Measured drop (mag)       :  0.59 mag (Tangra)
  Calculated mid-event (UT) :  01:16:23.78

  Predicted max. duration (secs) : 14.6
  Predicted max. drop (mag)      : 0.53
  Predicted mid-event (UT)       : 01:16:16
  Predicted error in time (secs) : 9 

  Was your reaction time applied to the above timings? - not relevant, VTI recording
  
 5 TELESCOPE: 
  Type        : Newton  f/5                           Aperture   : 200 mm
  Focal length: 1000 mm                               FOV        : 16.8'x 12.5'
  Mount       : equatorial                            Motor drive: yes

 6 TIMING & RECORDING:
  Time source      : GPS VTI 1PPS by Tomasz Wezyk, 
  Sensor           : CCDTV videocamera NOVUS NVC GDN5811C-2, 1/3" SONY EXview HAD II (Millincam MCH type)
  Mode of recording: Digital Noise Reduction (DNR): OFF, Auto Gain Control (AGC): LOW
  Shutter (SENS-UP): 0.08 s, integration x4
  Recording        : Laptop Lenovo Thinkpad
  Recording        : Video Grabber Aver Media EzMaker 7, VirtualDub 2, AVI compressed by Lagarith codec 
  Time insertion   : VTI by Tomasz Wezyk (www.tomasztech.pl)

 7 OBSERVING CONDITIONS: 
  Atmospheric transparency          : good 
  Wind  (km/h)                      : 5
  Temperature (deg C / humid.)      : 10 / 70
  Star image stability              : good 
  Minor planet visible              : yes
  Local conditions (degree)         : star height: 20, sun height: -11, 
  Local moon conditions (degree)    : moon height: below horizon

 8 ADDITIONAL COMMENTS:
  Observed star                           : UCAC4 376-155091
  Star magnitude                          : 12.97
  Minor planet magnitude                  : 12.5
  Feed                                    : IBEROC, last updated 21 Apr 2019
  Rank                                    : 82
  Distance (km)                           : inside the shadow - 9 km NW from the central line
  Shadow width (km)                       : 161
  Asteroid diameter (km)                  : 86
  Predicted probability OccultWatcher (%) : 55.9%
  Predicted combined magnitude (mag)      : 11.97 
  Faintest star on AVI (mag)              : 12.5
  Evaluation with Tangra 3.6.18 and AOTA 4.6.8.0