ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2021 Jul 05, 22:10 (UTC) STAR: UCAC4 352-102041 mv: 13.9 mag ASTEROID: (5965) 1990 SV15 mv: 17.2 mag (diam. 8.0 km) combined magnitude: mv: 13.8 mag delta-magnitude: mv: 3.4 mag 2 OBSERVER: Name: Andreas SCHWEIZER E-mail: aschweiz@mac.com Address: Strumbergächerstr. 3A, 8907 Wettswil, Switzerland 3 OBSERVING STATION: Nearest city: Bülach Station: Sternwarte Bülach Latitude: N47 31' 10.402" (WGS84) Longitude: E08 34' 14.300" (WGS84) Altitude: 550 m (MSL) (WGS84) Predicted observation: yes (Distance 1.0 km from C.L.) Probability: 43.8 percent Single station: yes +----------------------------------+ 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 10 17.073 +/- 0.001 s : Start observation (UTC) D +/- s : Disappearance (UTC) R +/- s : Reappearance (UTC) E 22 11 03.572 +/- 0.001 s : End observation (UTC) Duration: SS.sss +/- s : (predicted: max. 0.8 s) P 22 10 37.664 +/- 2.687 s : Predicted time (UTC) 5 TELESCOPE: Type: Newton Aperture: 500 mm 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 2 m Camera/Sensor: Digital Camera with integrated GPS-VTI (DVTI CAM Prototype V3, serial #14) Image Sensor Sony IMX264LLJ-C (2/3" 2448x2048 3.45um CIS) Website of the project: https://groups.io/g/d-vti-cam/ Settings: 1224x1024, Exposure time 150 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.: good Moon: below horizon Wind: no Star image stability: good Altitude of star: 23 deg Azimut of star: 180 deg in Ophiuchus 8 ADDITIONAL COMMENTS: Feed: Planned Observations Video recording software: DVTI Cam Control v5.0.0-0 Light measurement tool: PyMovie 2.9.7 Remarks: First observation with IMX264 sensor Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)