ASTEROIDAL OCCULTATION - REPORT FORM +--------------------------------+ +----------------------------------------+ | EAON | | IOTA/ES | | | | INTERNATIONAL OCCULTATION | | EUROPEAN ASTEROIDAL | | TIMING ASSOCIATION | | OCCULTATION NETWORK | | EUROPEAN SECTION | +--------------------------------+ +----------------------------------------+ 1 DATE: 22 Dec 2021 STAR: UCAC4 585-029798 ASTEROID: (1044) Teutonia 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 - 20:04:10.16 E - 20:05:37.49 Predicted max. duration (secs) : 1.2 Predicted max. drop (mag) : 0.6 Predicted mid-event (UT) : 20:05:04 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=0.07, Gamma=1.02 Shutter : 0.250 s Recording : Laptop Dell Latitiude 3540 (Intel Core i5/RAM 16 GB/SSD 480 GB) Recording : SharpCap 4.0.8495 7 OBSERVING CONDITIONS: Atmospheric transparency : good Wind (m/s) : 2 Temperature (deg C / humid.) : -15/80 Star image stability : good Minor planet visible : yes Local conditions (degree) : star altitude: 49, sun altitude: -50 Local moon conditions (degree) : moon altitude: 23, moon distatne: 35, moon phase: -88% 8 ADDITIONAL COMMENTS: Observed star : UCAC4 585-029798 Star magnitude (mag) : 15.3 Minor planet magnitude (mag) : 14.9 Feed : IBEROC, last updated Nov 20, 2021 Rank : 100 Distance (km) : in the shadow, 8 km from the center line Shadow width (km) : 20 Predicted probability OccultWatcher (%) : 59.3 Predicted combined magnitude (mag) : 14.4 Faintest star on movie (mag) : 15.0 Evaluation with Tangra 3.7.3 and AOTA 4.12.16.0 9 REMARKS: No occultation longer than 1 frame (0.25 s), no mag drop bigger than 0.35.