ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE:                  2023 Jun 10, 21:43 (UTC)

  STAR:                  UCAC4 326-089169      mv: 13.3 mag
  ASTEROID:              (104) Klymene         mv: 13.6 mag  (diam. 137.0 km)
                         combined magnitude:   mv: 12.7 mag
                         delta-magnitude:      mv:  0.9 mag

2 OBSERVER:
  Name:                  Stefan Meister
  E-mail:                meister@dolphins.ch
  Address:               Sandgruebstr. 9, CH-8193 Eglisau, Switzerland

3 OBSERVING STATION:
  Nearest city:          Buelach, ???Switzerland
  Station:               Observatory Buelach (MPC Obs. Code: 167)
                         http://www.sternwartebuelach.ch/
  Latitude:              N47 31' 10.402" (WGS84)
  Longitude:             E008 34' 14.300" (WGS84)
  Altitude:              550 m (MSL)  (WGS84)
  Single station:        yes

  Predicted observation: yes (Distance 35.8 km from C.L.)
                         Probability: 100.0 percent

                         +----------------------------------+
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     21 43 22.972    +/-  0.001 s  : Start observation (UTC)
   E     21 44 23.470    +/-  0.001 s  : End observation   (UTC)
   P     21 43 53.074    +/-  2.803 s  : Predicted time    (UTC)
                                         (predicted: max. 9.1 s)
  
  In case of a positive event: Extracted times from the PyOTE report "LC.pyote_log.txt":

snr: 2.28

D time: [21:43:48.6800]
D: 0.6800 containment intervals:  {+/- 0.1835} seconds
D: 0.9500 containment intervals:  {+/- 0.5911} seconds
D: 0.9973 containment intervals:  {+/- 1.6014} seconds

R time: [21:43:56.9710]
R: 0.6800 containment intervals:  {+/- 0.1835} seconds
R: 0.9500 containment intervals:  {+/- 0.5911} seconds
R: 0.9973 containment intervals:  {+/- 1.6014} seconds

Duration (R - D): 8.2910 seconds
Duration: 0.6800 containment intervals:  {+/- 0.2889} seconds
Duration: 0.9500 containment intervals:  {+/- 0.7546} seconds
Duration: 0.9973 containment intervals:  {+/- 1.7069} seconds
 

5 TELESCOPE: 
  Type:                  Ritchey-Chrétien Reflector (Officina Stellare Pro RC 360)
  Aperture:              360 mm, f/8, 20% obstruction
  Focal length:          2880 mm
  Magnification:         focal (resulting field of view: 10.3' in x-axis for IMX430)
  Mount:                 equatorial (10micron GM4000 QCI)
  Motor drive:           yes

6 TIMING & RECORDING:
  Time source:           GPS
  Quality of signal:     Accuracy 2 m
  Camera/Sensor:         Digital Camera with integrated GPS-VTI (DVTI+CAM, serial #13)
                         Image Sensor Sony IMX430LLJ-C (1.1" 1624x1240 4.5um CIS)
                         Website of the project: https://groups.io/g/d-vti-cam/
  Settings:              812x620, Exposure time 500 ms, Gain +24 dB, Binning 2x2, Format ADV 16-bit
                         without Dark Frame but correction algorithm "Fixed pattern noise red." applied
  Time insertion:        Digital GNSS timestamp into image sensor data stream

7 OBSERVING CONDITIONS:
  Atmospheric transp.:   ???
  Moon:                  below horizon
  Wind:                  ???
  Star image stability:  ???
  Altitude of star:      15 deg
  Azimut of star:        160 deg in Ophiuchus

8 ADDITIONAL COMMENTS:
  Feed:                      Planned Observations
  Video recording software:  DVTI Cam Control v5.6.1-15
  Light measurement tool:    PyMovie v3.7.5, PyOTE v5.2.4
  Remarks: