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                 ASTERIODAL OCCULTATION - REPORT FORM

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           	           EAON & IOTA-ES

               EUROPEAN ASTEROIDAL OCCULTATION NETWORK

    INTERNATIONAL OCCULTATION TIMING ASSOCIATION EUROPEAN SECTION

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1.DATE: 2014/05/05
  STAR: 2UCAC 33227054
  ASTEROID: (301) Bavaria

2.OBSERVER:
  	Name: Gerhard Dangl
	Phone: ++43-(0)2842-53908
	Address: AUSTRIA, A-3830, Nonndorf 12
	E-mail: gerhard@dangl.at

3.OBSERVING STATION:
	Nearest city: Waidhofen an der Thaya
	Latitude:  N 48 47 13.4 (WGS84)
	Longitude: E 15 14 08.2 (WGS84)
	Altitude:  600m         (WGS84)
	Single/Multiple: Single

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4.TIMING OF EVENTS:
	Occultation recorded: POSITIVE
	Type of event:
	"S"tart observation; "I"nterrupt-"s"tart; "D"isappearance;
	"B"link; "F"lash; "E"nd observation; "I"nterrupt-"e"nd;
	"R"eappearance; "O"ther (specify)
	
	Personal Equation Substracted: No
	Event Time (UT)		P.E. Accuracy + Comments
	code: HH:MM:SS.ss       S.ss  S.ss
	
	S:    19:32:54

	D:    19:34:19.377 (+/- 0.17s)
        R:    19:34:22.577 (+/- 0.17s)    Duration        3.200 (+/- 0.34s)  
                                                       Mid time 19:34:20.977 (+/- 0.34s)

	E:    19:36:01   
	
5.TELESCOPE:
	Type: Newton
	Focal length: 1200mm
 	Aperture: 254 mm
	Magnification: video/primary focus/FOV 18.3'x13.7' (768x576, 1.43"x1.43" per pixel)
	Mount: Equatorial
	Motor drive: Yes

6.TIMING & RECORDING:
	Timekeeping: GPS Sensor Garmin GPS18xLVC
        Sensor/Camera: WAT-120N, CCIR, 1/2" Sony CCD-Sensor ICX419ALL
	Mode of recording: It=320ms (3.125 Img/s), Video CCIR, Y800, uncompressed AVI
	Device of recording: TIS DFG/USB2-lt Videograbber USB2.0 (Y800), Notebook Harddisk
        Time insertion: KIWI-OSD VTI

7.OBSERVING CONDITIONS:
	Atmospheric transparency: fair
	Wind: no
	Star image stability: fair
	Minor planet visible: during occultation very faint in some frames
	Temperature: 278 Kelvin (+05 deg Celsius)
	
8.ADDITIONAL COMMENTS:
        Target star 2UCAC 33227054, +12.3mag, 44deg Elevation.
        Only Clear glass filter (Astronomik) for CCD protection was used.

        Video evaluation accomplished only visual with VirtualDub 1.10.0 and Fitswork 4.44

        Because of the use of a WAT-120N CCIR in integration mode Frame8 (It=320ms),
        a correction of -190ms was performed at the times inserted in the video by the VTI.
        The correction value is according to measurements results with EXposure Time Analyzer - EXTA.
        http://www.dangl.at/exta/exta_e.htm
        So all event times in this report are corrected times representing the real event times.

        Event data details according to the predictions from IOTA (Steve Preston).
        Predicted event time was 19:34:30 UTC (+/- 18s) for my observing position.
        Predicted maximum duration was 11.1 seconds with a 2.3mag drop.
        Position was -113km from predicted central line in SSW direction
        between path edge and 1-sigma line with a probability of 14.6%.
        Occultation event detected with duration 3.2s +/-0.34s (It=0.32s).
        
        3-D Position and timing
	Garmin GPS18x LVC
        Receiving 08 satellites
        Horizontal Dilution of Precision 0.9
        Geoidal separation 44.5m (Altitude 555.1MSL + 44.5 = 599.6 m in WGS84 datum)

        Gerhard Dangl
        gerhard@dangl.at
        www.dangl.at/
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