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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: 2013/10/28
  STAR:  4UC 475-130503
  ASTEROID: (565) Marbachia

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 13.6 (WGS84)
	Longitude: E 15 14 08.2 (WGS84)
	Altitude:  592m         (WGS84)
	Single/Multiple: Single

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4.TIMING OF EVENTS:
	Occultation recorded: NEGATIVE
	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:    21:39:01

	E:    21:41:12   
	
5.TELESCOPE:
	Type: Newton
	Focal length: 1200mm
 	Aperture: 254 mm
	Magnification: CCD/primary focus/FOV 53"x53" (ROI 12x12, Binning 4x4, 4.44"x4.44" per pixel)
	Mount: Equatorial
	Motor drive: Yes

6.TIMING & RECORDING:
	Timekeeping: Notebook synchronized on time server ts1.univie.ac.at with Dimension 4 V5.0.35.0
        Sensor/Camera: CCD Atik 314L+ B/W, 2/3" Sony CCD-Sensor ICX285AL, temp CCD = 263K, 
	Mode of recording: It=300ms + download 100ms (2.5 Img/s)
	Device of recording: USB 3.0, Notebook Harddisk
        Time insertion: FIT header by Atik imaging software Artemis Capture V3.3.2

7.OBSERVING CONDITIONS:
	Atmospheric transparency: fair
	Wind: no
	Star image stability: fair
	Minor planet visible: no
	Temperature: 287 Kelvin (+14 deg Celsius)
	
8.ADDITIONAL COMMENTS:
        Target star 4UC 475-130503, +13.2mag, 39deg Elevation.

        Video evaluation visual (315 images)

        Event data details according to the predictions from OW feed IBEROC.
        Predicted event time was 21:40:01 UTC (+/- 15s) for my observing position.
        Predicted maximum duration was 4.0 seconds with a 1.9mag drop.
        Position was 84km from predicted central line in NW direction
        between path edge and 1-sigma line with a probability of 7.9%.
        No occultation event detected (It=300ms + download 100ms).
        
        3-D Position is position of MPC station Nonndorf - C47.

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