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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: 2017/05/02
  STAR: TYC 1322-01253-1
  ASTEROID: (45) Eugenia

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

3.OBSERVING STATION:
        MPC station Nonndorf - C47
	Nearest city: Waidhofen an der Thaya
	Latitude:  N 48 47 13.6 (WGS84)
	Longitude: E 15 14 08.2 (WGS84)
	Altitude:  547m         (MSL)
	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:    20:09:59

	E:    20:11:49   
	
5.TELESCOPE:
	Type: Newton
	Focal length: 1200mm
 	Aperture: 254 mm
	Magnification: CCD @263K/primary focus/FOV 25.7'x19.2' (1391 x 1039, 1.11"x1.11" per pixel)
	Mount: Equatorial, EQ8
	Motor drive: Yes

6.TIMING & RECORDING:
	Timekeeping: Notebook clock synchronized via cabel Internet and Dimension 4
        Sensor/Camera: Atik 314L+ B/W, CCD, 2/3" Sony CCD-Sensor ICX285AL
	Mode of recording: It=200ms + 156ms download (2.8 Img/s), FITS, 16-bit, ROI87x53, bin 4x4, 
	Device of recording: Notebook USB3.0 with SSD and OS W7/64P
        Time insertion: FITS header, time stamp within 50ms of UTC

7.OBSERVING CONDITIONS:
	Atmospheric transparency: bad (moving clouds)
	Wind: no
	Star image stability: fair
	Minor planet visible: not separated
	Temperature: 281 Kelvin (+08 deg Celsius)
	
8.ADDITIONAL COMMENTS:
        Target star TYC 1322-01253-1, +11.3mag, 18deg Elevation.
        Baader Multi Purpose Coma Corrector MPCC for Newtons was used.

        Evaluation accomplished with Astrometrica 4.10.0.431 and Tangra 3.6.5

        Event data details according to the predictions from IOTA (Steve Preston).
        Predicted event time was 20:10:42 UTC (+/- 1s) for my observing position.
        Predicted maximum duration was 5.9 seconds with a 2.0-2.3mag drop.
        Position was 157km from predicted central line in SSW direction
        between center path edge and 1-sigma line with a probability of 19.8%.
        No occultation event detected (It=200ms).
        
        Gerhard Dangl
        gerhard@dangl.at
        www.dangl.at/
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