#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.03 - DVTI+CAM TEMPLATE 1.6 #Event #Occultation: POSITIVE #DATE: 01 Jan 2025, 23:30:20 #PREDICTTIME: 01 Jan 2025, 23:30:20 #STAR: UCAC4 533-007794 #ASTEROID: 1998 AJ #Nr: 11157 #OBSERVER #Observer1: C. Ziolek #Observer2: #moreObs: #E-mail: physicus@bluewin.ch #Address: Hintertamära 1, 7212 Seewis Dorf, Switzerland #OBSERVING_STATION #Station: Sternwarte Seewis Dorf (SWD) #NearestCity: Seewis Dorf #Countrycode: CH #Coordinates LAT +/-DD MM SS.S LON +/-DDD MM SS.S #Latitude: +46 59 33.000 #Longitude: +009 38 24.299 #Altitude: 970 #Notes: SWD #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: 35.6 #FocalLength in cm #FocalLength: 156.4 #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: 23:29:50.853 #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: D23:30:17.804 #Acc_D: 0.015 #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: R23:30:20.746 #Acc_R: 0.015 #EndObs: 23:30:50.855 #Duration: 2.942 #Exp_Time: 0.060 #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, serial #43 #Signal/Noise: 6.6 #Weatherconditions #Wind: 1.0 #Temperature: 0.0 #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: Community Tags #MpcObsCode: - #Prediction: yes #ProbabilityPercent: 57.8 #PredictedDurationSec: 2.6 #DistanceCentralLineKm: 5.3 #PathWidthKm: #StarMag: 12.9 #StarAltDeg: 44 #StarAzDeg: 243 #StarConstellation: Taurus #AsteroidMag: 17.3 #AsteroidDiameterKm: 11.0 #CombinedMag: 12.9 #DeltaMag: 4.4 #Moon: below horizon #TelescopeType: SCT #MountModel: 10 Micron GM2000 #MountMotorDrive: 3.1.15 #StartObsAccSec: 0.001 #EndObsAccSec: 0.001 #FieldOfView: #CameraGainDb: +24 dB #CameraBinning: 2x2 #CameraWidthHeight: 816x620 #CameraRecordingFormat: ADV 16-bit #ImageSensor: Sony IMX430LLJ-C (1.1" 1624x1240 4.5um CIS) #TimeSource: Max M8C GNSS module in the camera #TimeInserter: - #FrameGrabber: - #RecordingSoftware: DVTI Cam Control v5.8.1-51 #LightcurveExtractionSoftware: #LightcurveAnalysisSoftware: #ErrorInTime: +/- 0.296 s #StarMagnitudeInV: #StarMagnitudeInR: #MaxDuration: 2.6 s #MagnitudeDrop: 4.4 #MagnitudeDropInR: #EventRank: #Probability: 57.8