#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.03 #Event #Occultation: POSITIVE #DATE: 23 December 2024 #PREDICTTIME: 23 Dec; 20:38:20 UT #STAR: UCAC4 624-016709 #ASTEROID: Latvia #Nr: 1284 #OBSERVER #Observer1: Stefano Sposetti #Observer2: #moreObs: #E-mail: *** #Address: *** #OBSERVING_STATION #NearestCity: Gnosca #Countrycode: CH #Coordinates LAT +/-DD MM SS.S LON +/-DDD MM SS.S #Latitude: +46 13 *** #Longitude: +009 01 *** #Altitude: *** #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: 2 #Aperture in cm #Aperture: 42 #FocalLength in cm #FocalLength: 164 #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: 20:37:35.0 #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: D20:38:17.356 #Acc_D: 0.342 #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: R20:38:21.965 #Acc_R: 0.342 #EndObs: 20:39:10.0 #Duration: 4.609 #Exp_Time: 0.400 #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: QHY174M-GPS #Signal/Noise: 2.88 #Weatherconditions #Wind: #Temperature: #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: 3 #Comments: magDrop report: percentDrop: 24.2 magDrop: 0.300 +/- 0.041 (0.95 ci). Frames N. 409 and 410: drops caused by wind # #EXTRA_FIELDS #Feed: IBEROC Events #MpcObsCode: 143 #Prediction: #ProbabilityPercent: #PredictedDurationSec: #DistanceCentralLineKm: 11 km #PathWidthKm: 43 km #StarAltDeg: 73° #StarAzDeg: @126° #StarConstellation: Perseus #AsteroidMag: #AsteroidDiameterKm: #CombinedMag: 13.0 #DeltaMag: #MoonAltitude: -38° #TelescopeType: Newtonian #MountModel: german #MountMotorDrive: yes #StartObsAccSec: #EndObsAccSec: #FieldOfView: #CameraGainDb: #CameraBinning: 2x2 #CameraWidthHeight: 900x600 #CameraRecordingFormat: ADV #ImageSensor: #TimeSource: #TimeInserter: #FrameGrabber: #RecordingSoftware: SharpCapVersion=4.1.11351.0 #LightcurveExtractionSoftware: PyMovie Version 4.0.5 #LightcurveAnalysisSoftware: PYOTE 5.1.0 # #ErrorInTime: +/- 0 sec #StarMagnitudeInV: 14.6 #StarMagnitudeInR: 14.8 #MaxDuration: 5 sec #MagnitudeDrop: 0.3 #MagnitudeDropInR: 0.2 #EventRank: 100 #Probability: 100.0% #ExtraComments: