ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2019 March 26, 19:25 (UTC) STAR: TYC 1863-00116-1 mv: 9.9 mag ASTEROID: (7454) Kevinrighter mv: 19.7 mag (diam. 12 km) combined magnitude: mv: 9.9 mag delta-magnitude: mv: 9.8 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) 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 19 24 44.700 +/- 0.01s : Start observation (UTC) D - : Disappearance (UTC) R - : Reappearance (UTC) E 19 25 58.155 +/- 0.01s : End observation (UTC) Duration: - s : (predicted: max. 0.6s) P 19 25 13 +/- 5 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 2m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype) AR0130CSSM, Pixel size 3.75my, QE 77% Settings: 640x480, 2x Binning, Exposure time 40ms (25 fps), Gain 10, Output format SER Time insertion: within Camera, visual timestamp 7 OBSERVING CONDITIONS: Atmospheric transp.: good, clouds passing by Moon: no Wind: no Star image stability: very good Altitude of star: 55 degrees, SW Minor planet visible: no 8 ADDITIONAL COMMENTS: Feed: IBEROC Video recording software: SharpCap 3.2.5958 Light measurement tool: Tangra v3.6 Remarks: - Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)