ASTEROIDAL OCCULTATION - REPORT FORM +------------------------------+ +-------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +-------------------------------+ 1 DATE: 2019 Nov 13, 23:10 (UTC) STAR: HIP 33212 mv: 6.7 mag ASTEROID: (1153) Wallenbergia mv: 16.1 mag (diam. 8.0 km) delta-magnitude: mv: 9.4 mag 2 OBSERVER: Name: Andreas SCHWEIZER E-mail: aschweiz@mac.com Address: Strumbergaecherstr. 3A, CH-8907 Wettswil 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: no (located OUTSIDE of predicted shadow path, 4 km south of 1-sigma zone) Probability: 8.1% 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 23 10 20.118 +/- 0.002 s : Start observation (UTC) D - : Disappearance (UTC) R - : Reappearance (UTC) E 23 11 41.075 +/- 0.002 s : End observation (UTC) Duration: - : (predicted: max. 4.5s) P 23 10 56 +/- 11.00 s : Predicted time (UTC) 5 TELESCOPE: Type: Newton Reflector f/5 Aperture: 500 mm Focal length: 2500 mm Magnification: focal (resulting field of view: 15' in x-axis) Mount: equatorial Motor drive: yes 6 TIMING & RECORDING: Time source: GPS Quality of signal: Accuracy 8m Camera/Sensor: Digital Camera with integrated GPS-VTI (Prototype v2) IMX174LLJ, Pixel size 5.86my, QE 78% Website of the project: https://groups.io/g/d-vti-cam/ Settings: 960x600, 2x Binning, Exposure time 50ms (20 fps), Gain 0dB, Format SER 16 Bit No Dark Frame substracted Time insertion: within Camera, visual and digital timestamp 7 OBSERVING CONDITIONS: Atmospheric transp.: good Moon: yes, 58 deg SE Wind: no Star image stability: good Altitude of star: 41 deg E in Gemini 8 ADDITIONAL COMMENTS: Feed: IOTA Video recording software: DvtiCamControl v4.4.0-beta Light measurement tool: Tangra v3.6.19 Remarks: - Published by e-mail to planoccult@ls.vvs.be (Planoccult mailing list)