ASTEROIDAL OCCULTATION - REPORT FORM REPORTED to SODIS +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 24 April 2024 STAR: UCAC4 605-054293 (RY CrB) ASTEROID: 2000 SC8 N?: 19021 2 OBSERVER: Name: Tim HAYMES E-mail: Address: 3 OBSERVING STATION: Nearest city: NEWBURY, UK Station : MOBILE Latitude : N 51 18 57".5 Longitude: W 01 20 10".7 Altitude : 146 m Datum (WGS84 preferred): WGS84 Single, OR Double or Multiple station (Specify observer's name): Single +----------------------------------+ 4 TIMING OF EVENTS: | | OCCULTATION RECORDED: POSITIVE OR UNCERTAIN | | +----------------------------------+ 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 - 21:37:53 - - : - - - : D - 21 40 16.95 +/- 0.08 Single interval R - 21 40 17.11 +/- 0.08 - - - : E - 21:42:23 - - : Duration : 0.16 (One integration of 4 frames) Mid-event : 5 TELESCOPE: Type: Camera Lens Aperture: 45mm Magnification: 135mm F2.8 Mount:EQ (Polarie) Motor drive: Yes 6 TIMING & RECORDING: Exposure : 0.16s Signal/noise: 6 Time source: GPS++ Sensor: WAT 910HX/RC Recording: AVI IOTA capture + Dazzle A2D + HP i5 SSD W10. Time insertion (specify): 1 PPS GPSBOXSPRITE2-u Event insertion (specify): Tangra + AOTA 7 OBSERVING CONDITIONS: Atmospheric transparency: Poor / thin cloud Wind: 0 Bf Temperature: +3 Star image stability: slight flickering Minor planet visible? No 8 ADDITIONAL COMMENTS: Plate scale : 13 arcsec/pix Predicted Time : 24 Apr; 21:40:17 UT +/- 0 sec Combined Mag : 6.7 Predicted drop : 11.7 Max. Duration : 1.5 sec OW Centre Dist.: 64 km Shadow Width : 30 km Alt/Az : 36° @83° Moon Alt : 8° Constellation : Corona Borealis Camera: Gain : 38 dB Gamma : 1