ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE:                  2023 Feb 21, 20:33 (UTC)

  STAR:                  UCAC4 483-044706      mv: 14.6 mag
  ASTEROID:              (13244) Dannymeyer    mv: 16.8 mag  (diam. 32.0 km)
                         combined magnitude:   mv: 14.5 mag
                         delta-magnitude:      mv:  2.3 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:             E08 34' 14.300" (WGS84)
  Altitude:              550 m (MSL)  (WGS84)
  Single station:        yes

  Predicted observation: yes (Distance 4.5 km from C.L.)
                         Probability: 43.2 percent

4 TIMING:

Extracted times from the PyOTE report "LC.pyote_log.txt":

magDrop report: percentDrop: 89.5  magDrop: 2.449  +/- 0.359  (0.95 ci)
snr: 8.34

D time: [20:33:31.3530]
D: 0.6800 containment intervals:  {+/- 0.0187} seconds
D: 0.9500 containment intervals:  {+/- 0.0431} seconds
D: 0.9973 containment intervals:  {+/- 0.0834} seconds

R time: [20:33:33.4414]
R: 0.6800 containment intervals:  {+/- 0.0187} seconds
R: 0.9500 containment intervals:  {+/- 0.0431} seconds
R: 0.9973 containment intervals:  {+/- 0.0834} seconds

Duration (R - D): 2.0884 seconds
Duration: 0.6800 containment intervals:  {+/- 0.0272} seconds
Duration: 0.9500 containment intervals:  {+/- 0.0580} seconds
Duration: 0.9973 containment intervals:  {+/- 0.1045} seconds


5 TELESCOPE: 
  Type:                  Newton Reflector f/5
  Aperture:              500 mm
  Focal length:          2500 mm
  Magnification:         focal (resulting field of view: 15.5' in x-axis)
  Mount:                 equatorial
  Motor drive:           yes

6 TIMING & RECORDING:
  Time source:           GPS
  Quality of signal:     Accuracy 10 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 200 ms, Gain +25 dB D, 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.:   haze
  Moon:                  below horizon
  Wind:                  no
  Star image stability:  fair
  Altitude of star:      47 deg
  Azimut of star:        157 deg in Hydra

8 ADDITIONAL COMMENTS:
  Feed:                      IBEROC Events
  Video recording software:  DVTI Cam Control v5.5.2-6
  Light measurement tool:    PyMovie v3.7.3, PyOTE v5.1.6
  Remarks: