#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.01 #Event #Occultation: POSITIVE #DATE: 25 March 2023 #PREDICTTIME: 25 Mar; 22:03:04 UT #STAR: UCAC4 562-033163 #ASTEROID: Fram #Nr: 6230 #OBSERVER #Observer1: Stefano Sposetti #Observer2: #moreObs: #E-mail: stefanosposetti@ticino.com #Address: CH-6525 Gnosca #OBSERVING_STATION #NearestCity: Gnosca #Countrycode: CH #Coordinates #Latitude: +46 13 53.2 #Longitude: +009 01 26.5 #Altitude: 260 #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: 42 #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: 22:00:00.0 #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: D22:03:03.30 #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: R22:03:03.90 #Acc_R: 0.04 #EndObs: 22:06:00.0 #Duration: 0.60 #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: QHY174M-GPS #Signal/Noise: 6.9 #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: 2 #Comments: I wish to comment the presence in the lightcurve of an uncertain brief secondary event lasted one integration frame with manually exctracted times: D2 = 22:03:04.02; Acc_D2 = 0.04; R2 = 22:03:04.10; Acc_R2 = 0.04; Duration = 0.08. This event was discussed in the SODIS Forum the 06-04-2023, 16:30 with url https://forum.iota-es.de/showthread.php?tid=307 # #EXTRA_FIELDS #Feed: UKOCL #MpcObsCode: 143 #Prediction: #ProbabilityPercent: #PredictedDurationSec: #DistanceCentralLineKm: 9 km #PathWidthKm: 16 km #StarAltDeg: 35° #StarAzDeg: @266° #StarConstellation: Gemini #AsteroidMag: #AsteroidDiameterKm: #CombinedMag: 12.4 #DeltaMag: #MoonAltitude: 5° #TelescopeType: Newtonian #MountModel: german #MountMotorDrive: yes #StartObsAccSec: #EndObsAccSec: #FieldOfView: #CameraGainDb: #CameraBinning: 2x2 #CameraWidthHeight: 900x600 #CameraRecordingFormat: ADV #ImageSensor: #TimeSource: #TimeInserter: #FrameGrabber: #RecordingSoftware: SharpCapVersion=4.0.9478.0 #LightcurveExtractionSoftware: Tangra v3.7 #LightcurveAnalysisSoftware: AOTA v4.2022.11.10 # #ErrorInTime: +/- 2 sec #StarMagnitudeInV: 12.4 #StarMagnitudeInR: 11.9 #MaxDuration: 1 sec #MagnitudeDrop: 6.4 #MagnitudeDropInR: 6.4 #EventRank: 82 #Probability: 36.5% #ExtraComments:https://sposetti.ch/wp-content/uploads/2023/03/2023_03_25_Fram_Gnosca.png