ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2019 Oct 10, 18:16 (UTC) STAR: UCAC4 307-237142 mv: 15.2 mag ASTEROID: (410) Chloris mv: 12.8 mag (diam. 119 km) delta-magnitude: mv: 0.1 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: 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, 320 km SE to C.L.) Probability: 26% Single station: Stefan MEISTER +----------------------------------+ 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 18 16 05.569 +/- 0.001 s : Start observation (UTC) D - : Disappearance (UTC) R - : Reappearance (UTC) E 18 17 35.664 +/- 0.001 s : End observation (UTC) Duration: - : (predicted: max. 4.6s) P 18 16 49 +/- 5.00 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: Accurancy 1m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype v2) AR0130CSSM, Pixel size 3.75my, QE 77% Website of the project: https://groups.io/g/d-vti-cam/ Settings: 640x480, 2x Binning, Exposure time 125ms (8 fps), Gain 8, Format SER 16 Bit No Dark Frame substracted Time insertion: within Camera, visual and digital timestamp 7 OBSERVING CONDITIONS: Atmospheric transp.: fair, but very low at the horizont Moon: yes Wind: no Star image stability: fair Altitude of star: 11° S in Sagittarius 8 ADDITIONAL COMMENTS: Feed: OWEvents Video recording software: DvtiCamControl v4.3.6 Light measurement tool: Tangra v3.6.19 Remarks: - Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)