ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE:                  2022 May 09, 23:10 (UTC)

  STAR:                  UCAC4 505-056485      mv: 14.5 mag
  ASTEROID:              (304) Olga            mv: 14.0 mag  (diam. 66.0 km)
                         combined magnitude:   mv: 13.5 mag
                         delta-magnitude:      mv:  0.5 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 23.0 km from C.L.)
                         Probability: 99.8 percent

  Single station:        yes

                         +----------------------------------+
4 TIMING OF EVENT:       |                                  |
                         |  OCCULTATION RECORDED: NEGATIV   |
                         |                                  |
                         +----------------------------------+
  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     23 04 04.159    +/-  X.XXX s  : Start observation (UTC)


   E     23 13 28.393   +/-  X.XXX s  : End observation   (UTC)





5 TELESCOPE: 
  Type:                  RC
  Aperture:              405 mm
  Focal length:          3240 mm
  Magnification:         ü
  Mount:                 GM3000HPS
  Motor drive:           ü

6 TIMING & RECORDING:
  Time source:           GPS
  Quality of signal:     Accuracy n/a m
  Camera/Sensor:         Digital Camera with integrated GPS-VTI (ü, serial #ü)
                         Image Sensor ü
                         Website of the project: https://groups.io/g/d-vti-cam/
  Settings:              ü, Exposure time ü, Gain ü, Binning ü, Format ü
  Time insertion:        Digital GNSS timestamp into image sensor data stream

7 OBSERVING CONDITIONS:
  Atmospheric transp.:   clear
  Moon:                  59 percent lit, distance 46 deg
  Wind:                  no wind
  Star image stability:  Good
  Minor planet visible:  Yes
  Altitude of star:      49 deg
  Azimut of star:        212 deg in Virgo

8 ADDITIONAL COMMENTS:
  Feed:                      UKOCL
  Video recording software:  DVTI Cam Control v5.0.0-0
  Light measurement tool:    
  Remarks:

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