#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.01 #Event #Occultation: POSITIVE #DATE: 26 May 2023 #PREDICTTIME: 26 May; 22:08:16 UT #STAR: UCAC4 383_068318 #ASTEROID: 1999 RL105 #Nr: 86098 #OBSERVER #Observer1: Alberto Ossola #Observer2: #moreObs: #E-mail: aossola@bluewin.ch #Address: CH-6933 Muzzano #OBSERVING_STATION #NearestCity: Muzzano #Countrycode: CH #Coordinates #Latitude: +45 59 50.6 #Longitude: +008 55 10.5 #Altitude: 371 #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: 23 #FocalLength: 72.5 #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: 22:06:59.85 #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: D 22:08:11.57 #Acc_D: 0.04 #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: R 22:08:12.09 #Acc_R: 0.08 #EndObs: 22:09:23.27 #Duration: 0.52 #Exp_Time: 0.08 #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: Watec 910HX/RC #Signal/Noise: #Weatherconditions #Wind: - #Temperature: 19 #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: ITALOccult Events #MpcObsCode: #Prediction: #ProbabilityPercent: 7% #PredictedDurationSec: 0.5 #DistanceCentralLineKm: 5 km #PathWidthKm: 9 km #StarAltDeg: 30° #StarAzDeg: S #StarConstellation: Libra #AsteroidMag: 18.5 #AsteroidDiameterKm: #CombinedMag: 11.5 #DeltaMag: #MoonAltitude: 24° #TelescopeType: SCT Celestron 9 1/4 #MountModel: german Eq6 #MountMotorDrive: yes #StartObsAccSec: #EndObsAccSec: #FieldOfView: #CameraGainDb: 41 #CameraBinning: no #CameraWidthHeight: #CameraRecordingFormat: AVI #ImageSensor: #TimeSource: gps #TimeInserter: IOTA VTI #FrameGrabber: Hauppauge UBS-Life-2 #RecordingSoftware: Virtual Dub #LightcurveExtractionSoftware: Tangra v3.7 #LightcurveAnalysisSoftware: AOTA v4.2022.11.10 # #ErrorInTime: +/- 4 sec #StarMagnitudeInV: 11.5 #StarMagnitudeInR: 11.2 #MaxDuration: 1 sec #MagnitudeDrop: 7.0 #MagnitudeDropInR: 6.9 #EventRank: 12 #Probability: 7.0% #ExtraComments: