#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.01 #Event #Occultation: POSITIVE #DATE: 18 March 2025 #PREDICTTIME: 18 Mar; 18:58:26 UT #STAR: UCAC4 579-019242 #ASTEROID: Serendip #Nr: 6568 #OBSERVER #Observer1: Jonas Schenker #Observer2: Josef Kaeser #moreObs: #E-mail: j.kaeser55@bluewin.ch #Address: CH-5015 Erlinsbach #OBSERVING_STATION: Observatory Schafmatt (MPC Obs. Code: B77) #NearestCity: Aarau #Countrycode: CH #Coordinates #Latitude: +47 25 12.9 #Longitude: +007 57 3.0 #Altitude: 820 #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: 6 #Aperture: 45 #FocalLength: 150 #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:18:57:46.847 #D D=Main Star d=second Star G=satellite main star g=satellite 2nd star N=ring C=Not Seen M=non detection +time hh:mm:ss.s #D: D18:58:25.51 #Acc_D: 0.02 #R R=Main Star r=second Star B=satellite main star b=satellite 2nd star N=ring C=Not Seen M=non detection +time hh:mm:ss.s #R: R18:58:25.84 #Acc_R: 0.05 #EndObs:18:58:41.982 #Duration: 0.33 #Exp_Time: 0.05 #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 430 #Signal/Noise: 18.0 #Weatherconditions #Wind: - #Temperature: 4 #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: 1 #Comments: # #EXTRA_FIELDS #Feed: ITALOccult #MpcObsCode: B77 #Prediction: 18:58:26 UT #ProbabilityPercent: 100 #PredictedDurationSec: max. 0.5 #DistanceCentralLineKm: 3 #PathWidthKm: 11 #StarAltDeg: 63 #StarAzDeg: SW #StarConstellation: Taurus #AsteroidMag: 14.3 #AsteroidDiameterKm: 9.85 #CombinedMag: 12.7 #DeltaMag: 6.5 #MoonAltitude: (below horizon) #TelescopeType: Cassegrain 450 mm / f3 #MountModel: equatorial mount Baur D100 #MountMotorDrive: yes #StartObsAccSec: 0.001 #EndObsAccSec: 0.001 #FieldOfView: #CameraGainDb: 24 #CameraBinning: no #CameraWidthHeight: 1624x1240 4.5um #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 V5.8.0-45 #LightcurveExtractionSoftware: Tangra v3.7.0.5 #LightcurveAnalysisSoftware: AOTA 4.2025.3.8 # #ErrorInTime: +/- 1 sec #StarMagnitudeInV: 12.3 #StarMagnitudeInR: 12.6 #MaxDuration: 0.5 sec #MagnitudeDrop: 6.5 #MagnitudeDropInR: 5.8 #EventRank: 100 #Probability: 100.0% #ExtraComments: