ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2020 Nov 13, 21:26 (UTC) STAR: UCAC4 597-019502 mv: 12.2 mag ASTEROID: (1540) Kevola mv: 15.2 mag (diam. 43.0 km) combined magnitude: mv: 12.1 mag delta-magnitude: mv: 3.1 mag 2 OBSERVER: Name: Andreas SCHWEIZER E-mail: aschweiz@mac.com Address: Strumbergächerstr. 3A, 8907 Wettswil, Switzerland 3 OBSERVING STATION: Nearest city: Zürich Station: Andreas SCHWEIZER Latitude: N47 20' 30.800" (WGS84) Longitude: E08 28' 22.800" (WGS84) Altitude: 580 m (MSL) (WGS84) Predicted observation: yes (Distance 16.2 km from C.L.) Probability: 29.1 percent Single station: Andreas SCHWEIZER +----------------------------------+ 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 21 25 56.820 +/- 0.001 s : Start observation (UTC) D +/- s : Disappearance (UTC) R +/- s : Reappearance (UTC) E 21 27 52.012 +/- 0.001 s : End observation (UTC) Duration: SS.sss +/- s : (predicted: max. 4.4 s) P 21 26 43.845 +/- 5.603 s : Predicted time (UTC) 5 TELESCOPE: Type: Reflector 107mm Aperture: 107 mm Focal length: 600 mm Magnification: focal Mount: Skywatcher EQ-6 Pro Motor drive: yes 6 TIMING & RECORDING: Time source: GPS Quality of signal: Accuracy 7m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype V3, serial #12) IMX178LLJ, Pixel size 2.4my Website of the project: https://groups.io/g/d-vti-cam/ Settings: 1536x1024, Exposure time 500 ms, Gain +24 dB, Binning 2x2, Format ADV 16-bit Time insertion: Digital GNSS timestamp into image sensor data stream 7 OBSERVING CONDITIONS: Atmospheric transp.: thin clouds passing by Moon: below horizon Wind: no Star image stability: fair Altitude of star: 41 deg Azimut of star: 89 deg in Auriga 8 ADDITIONAL COMMENTS: Feed: Planned Observations Video recording software: DVTI Cam Control v4.10.4 Light measurement tool: PyMovie 2.8.7 Remarks: Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)