ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE:                  2022 Jun 12, 01:19 (UTC)

  STAR:                  UCAC4 363-144151      mv: 12.7 mag
  ASTEROID:              (4848) Tutenchamun    mv: 17.4 mag  (diam. 23.0 km)
                         combined magnitude:   mv: 12.7 mag
                         delta-magnitude:      mv:  4.7 mag

2 OBSERVER:
  Name:                  Peter Englmaier
  E-mail:                peter@englmaier.ch
  Address:               Furttalstrasse 97, 8046 Zurich, Switzerland

3 OBSERVING STATION:
  Nearest city:          Zurich
  Station:               Private Observatory
  Latitude:              N47 25' 21.144" (WGS84)
  Longitude:             E08 29' 42.932" (WGS84)
  Altitude:              467 m (MSL)  (WGS84)

  Predicted observation: yes (Distance 13.3 km from C.L.)
                         Probability: 36.1 percent

  Single station:        yes

                         +----------------------------------+
4 TIMING OF EVENT:       |                                  |
                         |  OCCULTATION RECORDED: POSITIVE  |
                         |                                  |
                         +----------------------------------+
  Type of event:
   S = Start observation I = Interrupt-start   D = Disappearance
   B = Blink             F = Flash             E = End observation
   I = Interrupt-end     R = Reappearance
   M = Mid-event         P = Predicted time

  Event  Time (UTC)      Acc.         Comments
  Code   HH MM SS.sss    S.sss

   S     01 18 56.147    +/-  0.001 s  : Start observation (UTC)
   D     01 19 10.411    +/-  0.092 s  : Disappearance     (UTC)
   R     01 19 11.556    +/-  0.092 s  : Reappearance      (UTC)
   E     01 19 58.182    +/-  0.001 s  : End observation   (UTC)

   Duration:    1.145    +/-  0.114 s  : (predicted: max. 1.7 s)

   P     01 19 15.881    +/-  1.937 s  : Predicted time    (UTC)

5 TELESCOPE: 
  Type:                  RC
  Aperture:              405 mm
  Focal length:          3240 mm
  Magnification:         f/8
  Mount:                 10 Micron GM 3000 HPS
  Motor drive:           Yes

6 TIMING & RECORDING:
  Time source:           GPS
  Quality of signal:     Accuracy 8 m
  Camera/Sensor:         Digital Camera with integrated GPS-VTI (DVTI CAM Prototype V3, serial #25)
                         Image Sensor Sony IMX174LLJ-C (1/1.2" 1920x1200 5.86um CIS)
                         Website of the project: https://groups.io/g/d-vti-cam/
  Settings:              480x300, Exposure time 200 ms, Gain +23 dB, Binning 4x4, Format ADV 16-bit
  Time insertion:        Digital GNSS timestamp into image sensor data stream

7 OBSERVING CONDITIONS:
  Atmospheric transp.:   
  Moon:                  91 percent lit, distance 50 deg
  Wind:                  no
  Star image stability:  fair
  Altitude of star:      24 deg
  Azimut of star:        191 deg in Sagittarius

8 ADDITIONAL COMMENTS:
  Feed:                      Planned Observations
  Video recording software:  DVTI Cam Control v5.0.1-0
  Light measurement tool:    PyMovie 3.3.9 with PyOTE 4.6.4 
  Remarks:
     snr: 7.77, magnetude drop to zero (dark substraction clipped lower data)

  Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)