#IOTA-ES ASTEROIDAL OCCULTATION - REPORT FORM 2.02 - DVTI+CAM TEMPLATE 1.5 #Event #Occultation: NEGATIVE #DATE: 11 Aug 2023, 21:45:08 #PREDICTTIME: 11 Aug 2023, 21:45:08 #STAR: TYC 5786-01081-1 #ASTEROID: Lion-Stoppato #Nr: 18079 #OBSERVER #Observer1: Jonas Schenker #Observer2: #moreObs: #E-mail: jonas.schenker@sunrise.ch #Address: Ruetiweg 6, CH-5036 Oberentfelden, Switzerland #OBSERVING_STATION #NearestCity: Basel #Countrycode: CH #Coordinates LAT +/-DD MM SS.S LON +/-DDD MM SS.S #Latitude: +47 25 25.1 #Longitude: +007 34 42.2 #Altitude: 536 #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: 1 #Aperture in cm #Aperture: 13.0 #FocalLength in cm #FocalLength: 78.0 #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: 21:44:00.0 #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: M #Acc_D: #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: M #Acc_R: #EndObs: 21:46:36.0 #Duration: #Exp_Time: 0.100 #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+CAM430, serial #44 #Signal/Noise: #Weatherconditions #Wind: 0.0 #Temperature: +18 #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: CentralEurope #MpcObsCode: - #Prediction: yes #ProbabilityPercent: 24.3 #PredictedDurationSec: max. 0.7 #DistanceCentralLineKm: 4 #PathWidthKm: 14 #StarMag: 9.8 #StarAltDeg: 28 #StarAzDeg: 147 #StarConstellation: Aquarius #AsteroidMag: 17.5 #AsteroidDiameterKm: 7.415 #CombinedMag: 9.8 #DeltaMag: 7.7 #Moon: below horizon #TelescopeType: Refractor #MountModel: equatorial #MountMotorDrive: yes #StartObsAccSec: 0.1 #EndObsAccSec: 0.1 #FieldOfView: 32.2' x 24.6' #CameraGainDb: +40 dB D #CameraBinning: 2x2 #CameraWidthHeight: 812 x 620 #CameraRecordingFormat: ADV 16-bit #ImageSensor: Sony IMX430LLJ-C (1.1" 1624x1240 4.5my CIS) #TimeSource: Max M8C GNSS module in the camera #TimeInserter: - #FrameGrabber: - #RecordingSoftware: DVTI Cam Control v5.6.2-16 #LightcurveExtractionSoftware: Tangra v3.7.5 #LightcurveAnalysisSoftware: - #ErrorInTime: 3 sec. #StarMagnitudeInV: - #StarMagnitudeInR: - #MaxDuration: 0.7 s #MagnitudeDrop: 7.7 #MagnitudeDropInR: - #EventRank: 42 #Probability: 24.3 ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2023 August 11 21:45:08 (UTC) STAR: TYC 5786-01081-1 mv: 9.8 mag ASTEROID: (18079) Lion-Stoppato mv: 17.5 mag (diam. 7.415 km) combined magnitude: mv: 9.8 mag delta-magnitude: mv: 7.7 mag 2 OBSERVER: Name: Jonas SCHENKER / Abbr: Schenker J Observatory E-mail: jonas.schenker@sunrise.ch Address: Ruetiweg 6, CH-5036 Oberentfelden, Switzerland 3 OBSERVING STATION: Nearest city: 4001 Basel, Switzerland Station: Observatory Himmelried (HIM) Latitude: N 47° 25' 25.1" (WGS84) Longitude: E 07° 34' 42.2" (WGS84) Altitude: 536m (MSL) (WGS84) Single station: yes Predicted occultation: yes (located 4 km North of the predicted center line) With of path: 14 km Probability: 24.3 % Feed: CentralEurope +----------------------------------+ 4 TIMING OF EVENT: | | | OCCULTATION RECORDED: NEGATIVE | | | +----------------------------------+ Type of event: S = Start observation I = Interrupt-start D = Disappearance B = Blink F = Flash E = End observation I = Interrupt-end R = Reappearance M = Mid-event P = Predicted time Event Time (UTC) Accuracy Comments Code HH MM SS.sss S.sss S 21 44 00.000 +/- 0.10 s : Start observation (UTC) D -- -- --.--- +/- 0.10 s : Disappearance (UTC) R -- -- --.--- +/- 0.10 s : Reappearance (UTC) E 21 46 36.000 +/- 0.10 s : End observation (UTC) Duration: -.--- s +/- 0.20 s : (predicted: max. 0.7 s) M -- -- --.--- +/- 0.10 s : Mid-event (UTC) P 21:45:08 +/- 3.00 s : Predicted time (UTC) 5 TELESCOPE: Type: Refractor A&M 130/6 (Optic: TMB) Aperture: 130 mm Focal length: 780 mm f/6 Magnification: focal (resulting field of view: 32.2' x 24.6' for IMX430) Mount: equatorial Motor drive: yes 6 TIMING & RECORDING: Camera: Digital Camera with integrated GPS-VTI DVTI+CAM 430, serial no. 44 Sensor: Sony IMX430 CMOS sensor, monochrome 12 bit, no active cooling 1624 x 1240 px (4.5 x 4.5 my) Time source: u-blox MAX M8C GNSS module with external antenna, supporting GPS, Galileo, Glonass and Baidou constellations, digital timestamp inserted into image sensor data stream. Settings: Recording Format: ADV 16-bit Resolution: 812 x 620 px (Binning: 2x2) Exposure Time: 100 ms (10 fps) Gain: +40 dB D / High Gain Mode applied Image Processing: Dark/Flat Frame not applied Fixed Pattern Noise (FPN) reduction applied Black Level: 150 Website of the project: https://groups.io/g/d-vti-cam/ 7 OBSERVING CONDITIONS: Atmospheric transp.: clear Wind: 0.0 m/s Temperature: +18 °C Relative humidity: ---- % Atmospheric pressure: ---- hPa Moonlight: no (Moon below orizon) Star image stability: good (Occulted star: Elevation: 28° above SE horizon, Azimut: 147° in constellation Aquarius) Minor planet visible: no (brightness 17.5 mag) 8 ADDITIONAL COMMENTS: Video recording software: DVTI Cam Control v5.6.2-16 Light measurement tool: Tangra v3.7.5 No evidence of any satellite was found in the range of -68/+88 seconds. 9 CREDITS: ---