ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2020 Feb 08, 22:06 (UTC) STAR: UCAC4 554-011591 mv: 13.5 mag ASTEROID: (31726) 1999 JA67 mv: 19.7 mag delta-magnitude: mv: 6.2 mag 2 OBSERVER: Name: Andreas SCHWEIZER E-mail: aschweiz@mac.com Address: Strumbergaecherstr. 3A, 8907 Wettswil, Switzerland 3 OBSERVING STATION: Nearest city: Buelach, Switzerland Station: Observatory Buelach (MPC Observatory Code: 167) http://www.sternwartebuelach.ch/ Latitude: N 47 31 10.4 (WGS84) Longitude: E 08 34 14.3 (WGS84) Altitude: 550 m (MSL) (WGS84) Predicted observation: yes (located OUTSIDE of predicted shadow path, 32km NW to C.L.) Probability: 2.8 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 22 05 04.750 +/- 0.001 s : Start observation (UTC) D - +/- - : Disappearance (UTC) R - +/- - : Reappearance (UTC) E 22 06 50.414 +/- 0.001 s : End observation (UTC) Duration: - +/- - : (predicted: max. 0.2s) P 22 06 03 +/- 36.00 s : Predicted time (UTC) 5 TELESCOPE: Type: Newton Reflector f/5 Aperture: 500 mm Focal length: 2500 mm Magnification: focal (resulting field of view: 6.6' in x-axis) Mount: equatorial Motor drive: yes 6 TIMING & RECORDING: Time source: GPS Quality of signal: Accuracy 2m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype) AR0130CSSM, Pixel size 3.75my, QE 77 percent Website of the project: https://groups.io/g/d-vti-cam/ Settings: 640x480, 2x Binning, Exposure time 100ms (10 fps), Gain 10, Output format SER 16-bit Time insertion: within Camera, visual timestamp 7 OBSERVING CONDITIONS: Atmospheric transp.: fair Moon: 100 percent, distance 58 deg Wind: yes, some Star image stability: fair Altitude of star: 46 deg Azimut of star: 248 deg in Taurus 8 ADDITIONAL COMMENTS: Feed: IBEROC Video recording software: DvtiCamControl v4.7.2 Light measurement tool: Tangra v3.6.20 Remarks: - Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)