ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE: 07/06/2017                             STAR:  4U 322-74639 

  ASTEROID: 2004GV9                            No: 90568


2 OBSERVER: Name:    Wojciech Burzynski              MPC-Code: 
            Address: 15-345 Bialystok

3 OBSERVING STATION: Nearest city: Bialystok
  Station:   Pomigacze (mobile station)
  Latitude:  53 02 32.8 N
  Longitude: 23 04 34.5 E
  Altitude:  145

  Datum (WGS84 preferred): WGS84

  Single, OR Double or Multiple station (Specify observer's name): double 
  (Wojciech Burzynski, Maciej Jarmoc)

                         +----------------------------------+
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)

                                                  Comments
  Event   Time (UT)    P.E.   Acc.   
  Code   HH MM SS.ss   S.ss   S.ss
  
    S  - 20:41:17.0 -        - 0.1              
    E  - 21:19:52.7 -        - 0.1  (no events and no dimming observed)    
     
           predicted max. duration : 31.9 
          predicted magnitude drop : 14.4
               predicted Mid-event : 20:58:30 (approx.)


  Was your reaction time applied to the above timings? not relevant, VTI recording
 
5 TELESCOPE: Type: refractor                      Aperture: reduced to 30 mm (full: 60 mm)
             Focal length: 210 mm, f/3.5          FOV : 60'x 80'
             Mount: equatorial, NEQ6              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
  Mode of recording: no integration, 25 fps, AGC LOW
  Recording:         Laptop Dell Latitiude 3540 (Intel Core i5/RAM 8 GB/SSD 128 GB)
  Recording: Video Grabber Aver Media EzMaker 7, VirtualDub 1.10.4, Lagarith lossless codec
  Time insertion:    VTI by Tomasz Wezyk (www.tomasztech.pl)

7 OBSERVING CONDITIONS: 
  Atmospheric transparency    : good 
  Wind (km/h)                 : 5
  Temperature (deg C)         : 10 
  Star image stability        : good 
  Minor planet visible        : no

8 ADDITIONAL COMMENTS:
  Observed star                          : 4U 322-74639 
  Star magnitude                         : 5,6
  Minor planet magnitude                 : 20,0
  Feed                                   : EURASTER,net
  Local conditions               (degree): star height: 10, sun height: -12, 
  Local moon conditions          (degree): moon height: 21, moon distance: 18, moon phase: +97%
  Faintest star on AVI              (mag): 7,0
  Evaluation with Tangra 3.6.2