ASTEROIDAL OCCULTATION - REPORT FORM +--------------------------------+ +----------------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +--------------------------------+ +----------------------------------------+ 1 DATE: 28 Feb 2022 STAR: UCAC4 652-035174 ASTEROID: (14316) Higashichichibu 2 OBSERVERS: Name : Wojciech Burzynski Abrr: BZY Address : 15-345 Bialystok, Poland 3 OBSERVING STATION: Nearest city : Suprasl Station : Lipowy Most Latitude : 53 12 31.5 N - 0.1" Longitude : 23 31 37.9 E - 0.1" Altitude : 145 MSL - 1 m Datum (WGS84 preferred): WGS84 Single, OR Double or Multiple station (Specify observer's name): single 4 TIMING OF EVENTS: +----------------------------------------------+ | OCCULTATION RECORDED: NEGATIVE | +----------------------------------------------+ Type of event: "S"tart observation "I"nterrupt-start "D"isappearance "B"link "F"lash "E"nd observation "J"nterrupt-end "R"eappearance "O"ther (specify) Event Time (UT) P.E. Acc. Code HH MM SS.ss S.ss S.ss S - 21:25:56.5 E - 21:27:55.4 Predicted max. duration (secs) : 1.6 Predicted max. drop (mag) : 3.9 Predicted mid-event (UT) : 21:27:01 Predicted error in time : 2 sec Was your reaction time applied to the above timings? - not relevant 5 TELESCOPE: Type : NEW f/4.7 Aperture : 254 mm Focal length: 1195 mm FOV : 32.37' x 20.23' Mount : equatorial GOTO Motor drive: yes 6 TIMING & RECORDING: Time source : GPS 1PPS Sensor : QHY 174M GPS Mode of recording: 900x600, 12 bit FITS, Gain=480 Mode of recording: Contrast=0, Brightness=0, Gamma=1.0 Shutter : 0.400 s Recording : Laptop Dell Latitiude 3540 (Intel Core i5/RAM 16 GB/SSD 480 GB) Recording : SharpCap 4.0.8695 7 OBSERVING CONDITIONS: Atmospheric transparency : good Wind (m/s) : 2 Temperature (deg C / humid.) : -5/85 Star image stability : good Minor planet visible : no Local conditions (degree) : star altitude: 51, sun altitude: -42 Local moon conditions (degree) : moon altitude: below horizon 8 ADDITIONAL COMMENTS: Observed star : UCAC4 652-035174 Star magnitude (mag) : 14.0 Minor planet magnitude (mag) : 17.9 Feed : ITALOccul, last updated 06 Feb, 2022 Rank : 57 Distance (km) : In the 1-sigma zone, 4 km outside the shadow path Shadow width (km) : 23 Predicted probability OccultWatcher (%) : 29.2 Predicted combined magnitude (mag) : 14.0 Faintest star on movie (mag) : 14.8 Evaluation with Tangra 3.7.3 9 REMARKS: