ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2020 Sep 02, 22:31 (UTC) STAR: UCAC4 378-171222 mv: 14.7 mag ASTEROID: (42747) Fuser mv: 18.1 mag (diam. 10.0 km) combined magnitude: mv: 14.7 mag delta-magnitude: mv: 3.4 mag 2 OBSERVER: Name: Stefan Meister E-mail: meister@dolphins.ch Address: Sandgruebstr. 9, CH-8193 Eglisau, Switzerland 3 OBSERVING STATION: Nearest city: Buelach, Switzerland Station: Observatory Buelach (MPC Observatory Code: 167) http://www.sternwartebuelach.ch/ Latitude: N47 31' 10.400" (WGS84) Longitude: E08 34' 14.300" (WGS84) Altitude: 550 m (MSL) (WGS84) Single station: yes Predicted observation: no occultation (Distance 20.3 km from C.L.) Probability: 5.1 percent +----------------------------------+ 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) Acc. Comments Code HH MM SS.sss S.sss S 22 31 07.564 +/- 0.001 s : Start observation (UTC) D +/- s : Disappearance (UTC) R +/- s : Reappearance (UTC) E 22 32 37.783 +/- 0.001 s : End observation (UTC) Duration: - +/- s : (predicted: max. 1.0 s) P 22 31 52.258 +/- 7.419 s : Predicted time (UTC) 5 TELESCOPE: Type: Newton Reflector f/5 Aperture: 500 mm, 4.4% obstruction Focal length: 2500 mm Magnification: focal (resulting field of view: 15.5' in x-axis) Mount: equatorial Motor drive: yes 6 TIMING & RECORDING: Time source: GPS Quality of signal: Accuracy 3m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype v2b, #8) IMX174LLJ, Pixel size 5.86my, QE ~77% @ 530nm Website of the project: https://groups.io/g/d-vti-cam/ Settings: 960x600, Exposure time 200 ms, Gain +24 dB, Binning 2x2, Digital Video format ADV, 16 Bit, no Dark Frame substracted no ROIs, correction algorithm "Fixed pattern noise reduction" applied Time insertion: Digital GNSS timestamp into image sensor data stream 7 OBSERVING CONDITIONS: Atmospheric transp.: fair Moon: 99 percent lit, distance 31 deg Wind: no Star image stability: poor Altitude of star: 28 deg Azimut of star: 187 deg in Capricornus 8 ADDITIONAL COMMENTS: Feed: IBEROC Events Video recording software: DVTI Cam Control v4.10.2 Light measurement tool: Tangra v3.7.3 Remarks: Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)