ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE: 10 October 2022                   
  STAR: UCAC4 486_107487  
  ASTEROID: (554207) 2012 RB27                

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

3 OBSERVING STATION: Nearest city: Suprasl
  Station  : Lipowy Most
  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: NEGATIVE  |
                         |                                  |
                         +----------------------------------+
  Type of event
  Start observation   Interrupt-start   Disappearance   Blink   Flash
  End observation     Jnterrupt-end     Reappearance    Other (specify)

  Event   Time (UT)    P.E.   Acc.   
  Code   HH MM SS.ss   S.ss   S.ss
  
    S -  18:38:28                
    E -  18:42:30      

  Predicted max. duration    : 2,9 sec
  Predicted max. drop (mag)  : 8,7
  Predicted mid-event: 10 paź; 18:40:51 UT
  Predicted error in time    :  +/- 10 sec  

  Was your reaction time applied to the above timings? - NOT RELEVANT

5 TELESCOPE: Type : NEW f/4.7    Aperture: 254 mm     FOV: 32.37' x 20.23'
             Mount: 1195 mm      Motor Drive: yes   Mount: equatorial GOTO

6 TIMING & RECORDING:
  Time source      : GPS 1PPS
  Shutter          : 0.200 s
  Sensor           : QHY 174M GPS
  Mode of recording: 960x600, 12 bit FITS, Gain=480, bin 2x2
  Recording        : Laptop Dell Latitiude 3540 (Intel Core i5/RAM 16 GB/SSD 480 GB)
  Recording        : SharpCap 4.0.9392.0

7 OBSERVING CONDITIONS:
  Atmospheric transparency  : good 
  Wind  (m/s)               : 3
  Temperature (deg C/humid.): 9/85
  Star image stability      : good 
  Minor planet visible      : no
  Local conditions          : star altitude:  39°, star azimuth: @216° 
  Local conditions          : sun altitude : -27°, sun distancde: 98° 
  Local moon conditions     : moon altitude: 23°, moon illumination: XX

8 ADDITIONAL COMMENTS:
  Observed star                           : UCAC4 486_107487 
  Star magnitude (mag)                    : 12,3
  Predicted combined magnitude (mag)      : 12,3
  Minor planet magnitude (mag)            : 21,0
  Faintest star visible on recording (mag): 14,2
  Feed                                    : ITALOccult Events
  Rank                                    : 3
  Distance from the center line           : 736 km
  Chord offset (km)                       : -736
  Shadow width                            : 64 km
  Predicted probability for the site      : 1,4%
  Evaluation by                           : Tangra 3.7.4 

9 REMARKS: