ASTEROIDAL OCCULTATION - REPORT FORM REPORTED to SODIS +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 10 April 2024 STAR: TYC 5592_00343_1 ASTEROID: Anandarao N?: 31635 2 OBSERVER: Name: Tim HAYMES E-mail: Address: 3 OBSERVING STATION: Nearest city: OXFORD, UK Station : Southside Observatory Y98 Latitude : N 51 55 xx.x Longitude: W 01 18 xx.x Altitude : 122m Datum (WGS84 preferred): WGS84 Single, OR Double or Multiple station (Specify observer's name): Single +----------------------------------+ 4 TIMING OF EVENTS: | | | OCCULTATION RECORDED: POSITIVE | | | +----------------------------------+ Type of event Start observation Interrupt-start Disappearance Blink Flash End observation Jnterrupt-end Reappearance Other (specify) Comments Event Time (UT) P.E. Acc. Code HH MM SS.ss S.ss S.ss S - 0129:00 - - : - - - : D - 0029:40.28 - +/- 0.1 R - 0028:40.84 - +/- 0.1 - - - : E - 0130:00 - - : Duration : 0.56 Mid-event : 5 TELESCOPE: Type: C11 Aperture: 280mm Magnification: F/6 Mount:EQ8 Pro Motor drive: Yes 6 TIMING & RECORDING: Exposure : 0.065 but with 0.123ms delay = 5.3 fps Signal/noise: 7 Time source: GPS++ Sensor: QHY174-GPS (5.86x5.86u), Global Shutter Recording: ADV(2x2bin), SharpCap v4.1.11786, HP i5 SSD W10. Time insertion (specify): 1 PPS (@ start of frame) Event insertion (specify): Tangra and AOTA analysis 7 OBSERVING CONDITIONS: Atmospheric transparency: good Wind: 1 Bf Temperature: +3C Star image stability: poor Minor planet visible? : No 8 ADDITIONAL COMMENTS: Slight haze at low elivation, and poor seeing with focus changed, and wind-shear Plate scale : 1.4 arcsec/pix (binned) Predicted Time : 10 Apr; 00:29:40 UT +/- 1 sec Combined Mag : 11.7 Predicted drop : 7.2 Max. Duration : 1 sec OW Centre Dist.: 0 km Shadow Width : 7 km Alt/Az : 21° @156° Moon Alt : -21° Constellation : Libra more CAMERA SETTINGS USB Traffic = 0 Gain : 400 Offset : 100 Gamma : 1 CCD Temporature: -10 C