+--------------------------------+ +--------------------------------+ ASTERIODAL OCCULTATION - REPORT FORM +--------------------------------+ +--------------------------------+ EAON & IOTA-ES EUROPEAN ASTEROIDAL OCCULTATION NETWORK INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION +--------------------------------+ +--------------------------------+ 1. DATE: 28 Sept 2016 STAR: 1UT 457-443151 ASTEROID: (36030) 1999 NR59 2. OBSERVERS Name: Stefano SPOSETTI Address: 6525 GNOSCA - Switzerland Email: stefanosposetti@ticino.com 3. OBSERVING STATION Nearest city: CH-6500 Bellinzona Longitude: 9d 1m 26.5s (E) Latitude: 46d 13m 53.2s (N) Altitude: 260m (WGS84) 4. TIMING OF EVENTS Occultation recorded: POSITIVE Type of event: "S"tart observation; "I"nterrupt-start; "D"isappearance; "B"link; "F"lash; "E"nd observation; "I"nterrupt-end; "R"eappearance; "O"ther (specify) Personal Equation Substracted: No Event Time (UTC) Accuracy + Comments code: HH:MM:SS.ss S.sss -S : 19:13:44 -D : 19:24:50.73 ± 0.08 s -R : 19:24:56.01 ± 0.08 s -E : 19:31:28 Duration: 5.28 s ± 0.16 s TELESCOPE -Type: Schmidt-Cassegrain, Celestron 11-inch -Aperture: 280 mm -Focal length: 930 mm (with focal reducer) -FOV: about 23x18 arcmin -Mount: Equatorial -Motor drive: Yes 6. TIMING & RECORDING -Sensor/Camera: Videocamera WAT-910HX/RC, CCIR, 1/2", ICX429ALL sensor -Videocamera settings: Shutter = x8; Manual Gain = 38/41; Gamma = 1.00 -Device of recording: Personal computer, Imaging Source DFG/SV1 PCI, S video input, Huffyuv compression, Virtualdub software -Time Insertion Device: IOTA-VTI, v.1.1.42 -Timekeeping: GPS 1PPS -Integration time: 0.160 s 7. OBSERVING CONDITIONS Atmospheric transparency: good Wind: no Star image stability: good Minor Planet Visible: no 8. ADDITIONAL COMMENTS Event predicted by Occultwatcher: -Feed: UKOCL -Rank: 6 -Probability: 3 % -Predicted lightdrop: 5.8 mag -Predicted max duration: 5.0 s -Target position: azimut 181 deg, elevation 45 deg -Moonlight: none -Target star: 12.2 mag -Tangra v. 3.5 was used to produce the lightcurve. -A time correction of -0.100 s was performed because of the use of an integrating camera. -A lightcurve can be seen here: http://sposetti.ch/wp-content/uploads/2014/09/36030_lightcurve.png