ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE: 2021/02/25  STAR: TYC 0640-00901-1  ASTEROID: Eugenia  No: 45

2 OBSERVER: Name: Daniel BLAZEWICZ
            Address: 32-015 Klaj, POLAND

3 OBSERVING STATION: Klaj  Nearest city: Niepolomice (Poland)
  Longitude: E 20 19 04.2 (WGS84)
  Latitude:  N 49 59 33.2 (WGS84)
  Altitude:  211 m (MSL)
  Single station

                         +----------------------------+
4 TIMING OF EVENTS:      |                            |
                         |  EVENT REPORTED: NEGATIVE  |
                         |                            |
                         +----------------------------+
  
  Event code
  S: observation Start   I: Interruption start
  D: Disappearance       J: Interruption end
  R: Reappearance        B: Blink   F: Flash
  E: observation End     O: Other (specify)
  
  Abbreviations
  P.E.: Personal Equation = reaction time (for visual obs)
  Acc.: Accuracy (overall accuracy of the given time)
  
                                                  Comments
  Event   Time (UT)    P.E.   Acc.   
  Code   HH:MM:SS.ss   S.ss   S.ss
  
    S  - 18:02:04    -      -      :

    I  - 18:07:42.4  -      -      :  technical interruption, no frames captured
    J  - 18:08:09.4  -      -      :

    E  - 18:09:07    -      -      :
  
5 TELESCOPE: Type: NEWTON    Aperture: 350 mm
             Magnification: prime focus f/4.8
             Mount: EQUATORIAL with polar wedge    Motor drive: YES

6 TIMING & RECORDING:
  Time source: NTP Stratum 1, Linux Ubuntu, synchronization every 32 s
  Sensor: ZWO ASI174MM-C
  Recording: ZWO ASICAP V2.3

7 OBSERVING CONDITIONS:
  Atmospheric transparency: fair  Wind: no   Temperature: 6 deg C
  Star image stability: good      Minor planet visible: no

8 ADDITIONAL COMMENTS:
  Exposure: 50 ms
  Camera temperature: -20 deg C
  Analyzed using Tangra v3.6.17
  S/N of occulted star: 5-6

 IOTA feed (2020/12/31) for Eugenia:
  Event time: 18:05:04 UT
  Error in time: 1 s
  Max duration: 7.2 s (0.2 s for one of its satelites, Petite-princesse)
  Star magnitude: 11.6 m
  Asteroid magnitude: 13.3 m
  Combined magnitude: 11.4 m
  Magnitude drop: 1.9 m
  Position: Outside the 1-sigma zone, 476 km outside the shadow path
  Probability: 0.0 % (but small non-zero probability for Petite-princesse)
 See https://www.iota-es.de/eugenia2021.html