#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.03 #Event #Occultation: POSITIVE #DATE: 16 January 2025 #PREDICTTIME: 16 Jan; 17:55:10 UT #STAR: UCAC4 644-038283 #ASTEROID: Fringilla #Nr: 709 #OBSERVER #Observer1: Stefano Sposetti #Observer2: Gastone Lavagno #moreObs: #E-mail: stefanosposetti@ticino.com #Address: CH-6525 Gnosca #OBSERVING_STATION #NearestCity: Altirolo-Giornico #Countrycode: CH #Coordinates LAT +/-DD MM SS.S LON +/-DDD MM SS.S #Latitude: +46 24 25.5 #Longitude: +008 51 48.0 #Altitude: 482 #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 #FocalLength in cm #FocalLength: 90 #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: 17:50:45.0 #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: D17:55:08.86 #Acc_D: 0.14 #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: R17:55:14.9 #Acc_R: 0.3 #EndObs: 17:58:00.0 #Duration: 6.04 #Exp_Time: 0.080 #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: WAT-910HX #Signal/Noise: 2.8 #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: 1 #Comments: analysis files are distributed in 2 reports of the same event # #EXTRA_FIELDS #Feed: Planned Observations #MpcObsCode: #Prediction: #ProbabilityPercent: #PredictedDurationSec: #DistanceCentralLineKm: 11 km #PathWidthKm: 121 km #StarAltDeg: 42° #StarAzDeg: @73° #StarConstellation: Auriga #AsteroidMag: #AsteroidDiameterKm: #CombinedMag: 12.5 #DeltaMag: #MoonAltitude: -10° #TelescopeType: Schmidt-Cassegrain #MountModel: german #MountMotorDrive: yes #StartObsAccSec: #EndObsAccSec: #FieldOfView: #Camera/Sensor: Videocamera WAT-910HX-RC, CCIR, 1/2", ICX429ALL sensor #Videocamera settings: Shutter = x4; Gain = 41/41; Gamma = 1.00 #Device of recording: Personal computer #Videograbber: Logilink USB Grabber VG0001, composite input #Software: Virtualdub v. 1.10.4, saved on Harddisk as Lagarith compressed file #Time insertion device: IOTA-VTI, v.1.1.42 #Timekeeping: GPS 1PPS (US Global Sat EM-406A) #Integration time: 0.160 s #LightcurveExtractionSoftware: Tangra v3.7 #LightcurveAnalysisSoftware: AOTA v4.2023.11.30 # #ErrorInTime: +/- 0 sec #StarMagnitudeInV: 12.9 #StarMagnitudeInR: 13.0 #MaxDuration: 7 sec #MagnitudeDrop: 1.3 #MagnitudeDropInR: 1.0 #EventRank: 100 #Probability: 100.0% #ExtraComments: