ASTEROIDAL OCCULTATION - REPORT FORM REPORTED to SODIS +------------------------------+ +------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +------------------------------+ +------------------------------+ 1 DATE: 25 November 2024 STAR: UCAC4 701_092685 ASTEROID: Eric N?: 4954 2 OBSERVER: Name: Tim HAYMES E-mail: Address: 3 OBSERVING STATION: Nearest city: OXFORD, UK Station : Southside Observatory Y98 Latitude : N 51 55 **.* Longitude: W 01 18 **.* 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 - 21:00:01 - - : - - - : D - 21:01:17.2 - - : Preliminary R - 21:21:19.4 - - : Preliminary - - - : E - 21:03:00 - - : Duration : 2.2s Mid-event : 21:01:18.4 5 TELESCOPE: Type: C11 Aperture: 280mm Magnification: F/6 Mount:EQ8 Pro Motor drive: Yes 6 TIMING & RECORDING: Exposure : 0.15s Signal/noise: 12 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 analysis 7 OBSERVING CONDITIONS: Atmospheric transparency: Fair Wind: Bf 1-2 Temperature: +4 C Star image stability: slight twinkling Minor planet visible? Yes 8 ADDITIONAL COMMENTS: GPS log: Final time corretion (-3s) occured 10min after camera switch on. (expected) Plate scale : 1.4 arcsec/pix (binned) Predicted Time : 25 Nov; 21:01:18 UT +/- 1 sec Combined Mag : 12.1 Star : r13.0 Asteroid : 12.5 Predicted drop : 0.4 Max. Duration : 1.4 sec OW Centre Dist.: 0 km Shadow Width : 11 km Alt/Az : 58° @287° Moon Alt : not risen Constellation : Cygnus more CAMERA SETTINGS USB Traffic = 0 Gain : 380 Offset : 100 Gamma : 1 CCD Temporature: -10 C