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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: 2012/10/05
  STAR: TYC 1299-00981-1
  ASTEROID: (232) Russia

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 13.5 (WGS84)
	Longitude: E 15 14 08.1 (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:    21:45:41

	E:    21:48:32     
	
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 1PPS, GlobalSat EM-406A GPS Board + IOTA-VTI (Demo3) V1.1.43
        Sensor/Camera: WAT-120N, CCIR, 1/2" Sony CCD-Sensor ICX419ALL
	Mode of recording: It=80ms (12.5 Img/s), Video CCIR, Y800, uncompressed AVI
	Device of recording: TIS DFG/USB2-lt Videograbber USB2.0 (Y800), Notebook Harddisk
        Time insertion: IOTA-VTI

7.OBSERVING CONDITIONS:
	Atmospheric transparency: bad
	Wind: No
	Star image stability: fair
	Minor planet visible: No
	Temperature: 286 Kelvin (+13 deg Celsius)
	
8.ADDITIONAL COMMENTS:
        Target star TYC 1299-00981-1, +9.8mag, 12deg Elevation.

        Only Clear glass filter (Astronomik) for CCD protection was used.

        Due to low elevation and hazy sky in the target sky region I had to change camera from
        designated WAT-902H2Ultimate with It=20ms to integration camera WAT-120N with It=80ms.

        Video evaluation accomplished with VirtualDub 1.10.0, Tangra v1.4.0.435

        Event data details according to the predictions from EAON.
        Predicted event time was 21:47:15 UTC (+/- 8s) for my observing position.
        Predicted maximum duration was 6.8 seconds with a 5.6mag drop.
        Position was 112km from predicted central line in SSE direction
        between 1-sigma and 2-sigma limit with a probability of 5.5%.
        No occultation event detected (It=80ms).
        
        3-D Position and timing
	Garmin GPS18x LVC
        Receiving 09 satellites
        Horizontal Dilution of Precision 1.0
        Geoidal separation 44.6m (Altitude 547.5MSL + 44.6 = 592.1 m in WGS84 datum)

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