#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.03 - DVTI+CAM TEMPLATE 1.6
#Event
#Occultation: NEGATIVE
#DATE: 14 Dec 2025, 21:41:31
#PREDICTTIME: 14 Dec 2025, 21:41:31
#STAR: J020915.80+133143.5 
#ASTEROID: 2009 UL57  
#Nr: 325703
#OBSERVER
#Observer1: Mike Kohl
#Observer2:
#moreObs:
#E-mail: mike.kohl@gmx.ch
#Address: Tannaegertenstrasse 12, 8635 Duernten, Switzerland
#OBSERVING_STATION
#NearestCity: Hinwil
#Countrycode: CH
#Coordinates LAT +/-DD MM SS.S  LON +/-DDD MM SS.S 
#Latitude:  +47 18 23.000
#Longitude: +008 53 14.300
#Altitude: 990
#Datum _blank=WGS84 N=NAD1927 E=ED1950 T=Tokyo G=GB1936 *=unspecified, or other
#Datum:
#Teleskop _=unstated 1=Refractor 2=Newtonian 3=SCT 4=Dobsonian 5=Binoculars 6=Other 7=None 8=eVscope 
#Telescope: 3
#Aperture in cm
#Aperture: 20.0
#FocalLength in cm
#FocalLength: 120.0 
#ObservingMethod   _=unspecified a=Analogue & digital video b=Digital SLR-camera video c=Photometer d=Sequential images e=Drift scan f=Visual g=Other 
#ObservingMethod: a 		    
#Observation
#StartObs: 21:40:41.329
#D D=Main Star d=second Star G=satellite main star g=satellite 2nd star N=ring  M=non detection +time hh:mm:ss.s
#D: M            
#Acc_D:      
#R R=Main Star r=second Star B=satellite main star b=satellite 2nd star N=ring  M=non detection +time hh:mm:ss.s
#R: M            
#Acc_R:      
#EndObs: 21:42:16.588
#Duration:      
#Exp_Time: 0.050
#Timesource  _=unspecified a=GPS b=NTP c=Telephone (fixed or mobile) d=Radio time signal e=Internal clock of recorder f=Stopwatch g=Other
#Timesource: a	 
#Camera: DVTI+CAM 174, serial #28
#Signal/Noise: 
#Weatherconditions
#Wind: 1.0
#Temperature: 6.0
#Transparency 1=Clear 2=Fog 3=Thin cloud <2 [mag loss <2 mag.] 4=Thick cloud >2 [mag loss >2 mag. 5=Broken opaque cloud [that is, observed thru gaps in the cloud] 6=Star faint 7=By averted vision
#Transparency: 1
#Stability _=unstated 1=Steady 2=Slight flickering 3=Strong flickering 
#Stability: 2
#Comments: 
#
#EXTRA_FIELDS
#Feed: IBEROC Events
#MpcObsCode: -
#Prediction: yes
#ProbabilityPercent: 5.3
#PredictedDurationSec: 0.8
#DistanceCentralLineKm: 1.5
#PathWidthKm: 
#StarMag: 10.0
#StarAltDeg: 51
#StarAzDeg: 219
#StarConstellation: Aries
#AsteroidMag: 21.1
#AsteroidDiameterKm:  5.0
#CombinedMag: 10.0
#DeltaMag: 11.1
#Moon: below horizon
#TelescopeType: SCT
#MountModel: 
#MountMotorDrive: 
#StartObsAccSec: 0.001
#EndObsAccSec: 0.001
#FieldOfView:
#CameraGainDb: +24 dB
#CameraBinning: 2x2
#CameraWidthHeight: 960x600
#CameraRecordingFormat: ADV 16-bit
#ImageSensor: Sony IMX174LLJ-C (1/1.2" 1920x1200 5.86um CIS)
#TimeSource: Max M8C GNSS module in the camera
#TimeInserter: -
#FrameGrabber: -
#RecordingSoftware: DVTI Cam Control v5.8.0-45
#LightcurveExtractionSoftware: 
#LightcurveAnalysisSoftware:
#ErrorInTime:  +/- 6.647 s
#StarMagnitudeInV: 
#StarMagnitudeInR: 
#MaxDuration: 0.8 s
#MagnitudeDrop: 11.1
#MagnitudeDropInR: 
#EventRank: 
#Probability: 5.3




                   ASTEROIDAL OCCULTATION - REPORT FORM

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

1 DATE:                  2025 Dec 14, 21:41 (UTC)

  STAR:                  J020915.80+133143.5   mv: 10.0 mag
  ASTEROID:              (325703) 2009 UL57    mv: 21.1 mag  (diam.  5.0 km)
                         combined magnitude:   mv: 10.0 mag
                         delta-magnitude:      mv: 11.1 mag

2 OBSERVER:
  Name:                  Mike Kohl
  E-mail:                mike.kohl@gmx.ch
  Address:               Tannaegertenstrasse 12, 8635 Duernten, Switzerland

3 OBSERVING STATION:
  Nearest city:          Hinwil, CH
  Station:               EGG
  Latitude:              N47 18' 23.000" (WGS84)
  Longitude:             E008 53' 14.300" (WGS84)
  Altitude:              990 m (MSL)  (WGS84)
  Single station:        yes

  Predicted observation: yes (Distance 1.5 km from C.L.)
                         Probability: 5.3 percent

                         +----------------------------------+
4 TIMING OF EVENT:       |                                  |
                         |  OCCULTATION RECORDED: NEGATIVE  |
                         |                                  |
                         +----------------------------------+
  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 40 41.329    +/-  0.001 s  : Start observation (UTC)
   E     21 42 16.588    +/-  0.001 s  : End observation   (UTC)
   P     21 41 31.867    +/-  6.647 s  : Predicted time    (UTC)
                                         (predicted: max. 0.8 s)
  
  In case of a positive event: see extracted times in the PyOTE report "LC.pyote_log.txt".
 

5 TELESCOPE: 
  Type:                  SCT
  Aperture:              200 mm
  Focal length:          1200 mm
  Magnification:         focal
  Mount:                 
  Motor drive:           

6 TIMING & RECORDING:
  Time source:           GPS
  Quality of signal:     Accuracy 7 m
  Camera/Sensor:         Digital Camera with integrated GPS-VTI (DVTI+CAM, serial #28)
                         Image Sensor Sony IMX174LLJ-C (1/1.2" 1920x1200 5.86um CIS)
                         Website of the project: https://groups.io/g/d-vti-cam/
  Settings:              960x600, Exposure time 50.0 ms, Gain +24 dB, Binning 2x2, Format ADV 16-bit
  Time insertion:        Digital GNSS timestamp into image sensor data stream

7 OBSERVING CONDITIONS:
  Moon:                  below horizon
  Wind:                  1.0 Bft
  Temperature:           6.0 deg C
  Transparency:          1
  Star image stability:  2
  Altitude of star:      51 deg
  Azimut of star:        219 deg in Aries
  StarConstellation:     Aries

8 ADDITIONAL COMMENTS:
  Feed:                      IBEROC Events
  Video recording software:  DVTI Cam Control v5.8.0-45
  Signal/Noise:              
  Further Comments:          

